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with ipvlan l2proxy = 1, route to guest is left in place when guest stops #4367

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akorn opened this issue Nov 9, 2023 · 0 comments
Open
3 tasks

with ipvlan l2proxy = 1, route to guest is left in place when guest stops #4367

akorn opened this issue Nov 9, 2023 · 0 comments

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@akorn
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akorn commented Nov 9, 2023

The template below is mostly useful for bug reports and support questions.
Feel free to remove anything which doesn't apply to you and add more information where it makes sense.

Required information

  • Distribution: Devuan
  • Distribution version: ceres
  • The output of
    • lxc-start --version: 5.0.3
    • lxc-checkconfig
LXC version 5.0.3
Kernel configuration not found at /proc/config.gz; searching...
Kernel configuration found at /boot/config-6.4.0-2-amd64

--- Namespaces ---
Namespaces: enabled
Utsname namespace: enabled
Ipc namespace: enabled
Pid namespace: enabled
User namespace: enabled
newuidmap is not installed
newgidmap is not installed
Network namespace: enabled

--- Control groups ---
Cgroups: enabled
Cgroup namespace: enabled
Cgroup v1 mount points: 
Cgroup v2 mount points: 
 - /sys/fs/cgroup
Cgroup device: enabled
Cgroup sched: enabled
Cgroup cpu account: enabled
Cgroup memory controller: enabled
Cgroup cpuset: enabled

--- Misc ---
Veth pair device: enabled, loaded
Macvlan: enabled, not loaded
Vlan: enabled, not loaded
Bridges: enabled, loaded
Advanced netfilter: enabled, loaded
CONFIG_IP_NF_TARGET_MASQUERADE: enabled, not loaded
CONFIG_IP6_NF_TARGET_MASQUERADE: enabled, not loaded
CONFIG_NETFILTER_XT_TARGET_CHECKSUM: enabled, not loaded
CONFIG_NETFILTER_XT_MATCH_COMMENT: enabled, loaded
FUSE (for use with lxcfs): enabled, loaded

--- Checkpoint/Restore ---
checkpoint restore: enabled
CONFIG_FHANDLE: enabled
CONFIG_EVENTFD: enabled
CONFIG_EPOLL: enabled
CONFIG_UNIX_DIAG: enabled
CONFIG_INET_DIAG: enabled
CONFIG_PACKET_DIAG: enabled
CONFIG_NETLINK_DIAG: enabled
File capabilities: enabled

Note : Before booting a new kernel, you can check its configuration
usage : CONFIG=/path/to/config /bin/lxc-checkconfig
  • uname -a: Linux my-hostname-here 6.4.0-2-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.4.4-3 (2023-08-08) x86_64 GNU/Linux
  • cat /proc/self/cgroup: 0::/
  • cat /proc/1/mounts
sysfs /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0
proc /proc proc rw,nosuid,nodev,noexec,relatime 0 0
udev /dev devtmpfs rw,nosuid,relatime,size=8166532k,nr_inodes=2041633,mode=755,inode64 0 0
devpts /dev/pts devpts rw,nosuid,noexec,relatime,gid=5,mode=600,ptmxmode=000 0 0
tmpfs /run tmpfs rw,nosuid,nodev,noexec,relatime,size=1637540k,mode=755,inode64 0 0
wildcat-ssd/ROOT/debian-1 / zfs rw,relatime,xattr,posixacl 0 0
wildcat-ssd/ROOT/debian-1/var /var zfs rw,relatime,xattr,posixacl 0 0
wildcat-boot/BOOT/debian-1 /boot zfs rw,nodev,relatime,xattr,posixacl 0 0
wildcat-hdd/srv/training /srv/training zfs rw,nosuid,nodev,noexec,noatime,xattr,posixacl 0 0
wildcat-hdd/srv/www /srv/www zfs rw,nosuid,nodev,noexec,noatime,xattr,posixacl 0 0
wildcat-hdd/srv/training/zerocms /srv/training/zerocms zfs rw,nosuid,nodev,noexec,noatime,xattr,posixacl 0 0
wildcat-hdd/srv/training/svn /srv/training/svn zfs rw,nosuid,nodev,noexec,noatime,xattr,posixacl 0 0
wildcat-hdd/srv/www/training-dev.example.com /srv/www/training-dev.example.com zfs rw,nosuid,nodev,noexec,noatime,xattr,posixacl 0 0
wildcat-hdd/srv/www/training-survey.example.com /srv/www/training-survey.example.com zfs rw,nosuid,nodev,noexec,noatime,xattr,posixacl 0 0
wildcat-hdd/srv/www/training.example.com /srv/www/training.example.com zfs rw,nosuid,nodev,noatime,xattr,posixacl 0 0
wildcat-ssd/var/lib /var/lib zfs rw,nosuid,noatime,xattr,posixacl 0 0
wildcat-ssd/home /home zfs rw,nosuid,noatime,xattr,posixacl 0 0
wildcat-ssd/shared/cache /shared/cache zfs rw,nosuid,noatime,xattr,posixacl 0 0
wildcat-ssd/srv/home /srv/home zfs rw,nosuid,noatime,xattr,posixacl 0 0
wildcat-ssd/lxc /var/lib/lxc zfs rw,noatime,xattr,posixacl 0 0
wildcat-ssd/lxc/training /var/lib/lxc/training zfs rw,nosuid,nodev,noexec,noatime,xattr,posixacl 0 0
wildcat-ssd/tmp /tmp zfs rw,nosuid,relatime,xattr,posixacl 0 0
wildcat-ssd/var/cache /var/cache zfs rw,nosuid,noexec,noatime,xattr,posixacl 0 0
wildcat-ssd/lxc/training/rootfs /var/lib/lxc/training/rootfs zfs rw,noatime,xattr,posixacl 0 0
wildcat-ssd/var/log /var/log zfs rw,nosuid,noexec,noatime,xattr,posixacl 0 0
wildcat-ssd/var/spool /var/spool zfs rw,nosuid,noatime,xattr,posixacl 0 0
wildcat-ssd/var/tmp /var/tmp zfs rw,nosuid,relatime,xattr,posixacl 0 0
wildcat-ssd/var/cache/lxc /var/cache/lxc zfs rw,noatime,xattr,posixacl 0 0
wildcat-ssd/lxc/training/rootfs/var /var/lib/lxc/training/rootfs/var zfs rw,relatime,xattr,posixacl 0 0
wildcat-ssd/lxc/training/rootfs/tmp /var/lib/lxc/training/rootfs/tmp zfs rw,relatime,xattr,posixacl 0 0
wildcat-ssd/var/log/sv /var/log/sv zfs rw,nosuid,noexec,noatime,xattr,posixacl 0 0
tmpfs /run/lock tmpfs rw,nosuid,nodev,noexec,relatime,size=5120k,inode64 0 0
securityfs /sys/kernel/security securityfs rw,relatime 0 0
pstore /sys/fs/pstore pstore rw,relatime 0 0
tmpfs /dev/shm tmpfs rw,nosuid,nodev,noexec,relatime,size=3275060k,inode64 0 0
none /sys/kernel/config configfs rw,relatime 0 0
cgroup2 /sys/fs/cgroup cgroup2 rw,nosuid,nodev,noexec,relatime 0 0
lxcfs /var/lib/lxcfs fuse.lxcfs rw,nosuid,nodev,relatime,user_id=0,group_id=0,allow_other 0 0

Issue description

I created a guest with an ipvlan network interface.

It can be started exactly once; subsequent startup attempts fail with:

lxc-start training 20231109080334.643 ERROR    network - ../src/lxc/network.c:lxc_setup_l2proxy:3289 - File exists - Failed to add ipv4 dest "192.168.0.1" for network device "lo"

This is caused by the following routing entry being left intact on guest stop:

192.168.0.1 dev lo scope link

If I remove the route manually before the 2nd startup attempt, the guest starts correctly again.

(Incidentally, this route is wrong for my use-case because I want the guest and the host to be able to communicate with each other, so I have an ipvlan subinterface in the host namespace that's in the same subnet as the guest interface, and the route is supposed to point out through that. I guess I'll have to supply my own .script.{up,down} and lose l2proxy, but it would be better if this were configurable. I also think failing to add a route that already exists shouldn't be considered a fatal error.)

Steps to reproduce

  1. start a guest with something like this in its config:
lxc.net.0.type		= ipvlan
lxc.net.0.link		= intra
lxc.net.0.flags		= up
lxc.net.0.name		= eth0
lxc.net.0.ipvlan.mode	= l3s
lxc.net.0.ipv4.address	= 192.168.0.1/24 192.168.0.255
lxc.net.0.ipv4.gateway	= 192.168.0.254
lxc.net.0.l2proxy	= 1

  1. stop it using lxc-stop.

  2. try to start it again with lxc-start.

Information to attach

  • any relevant kernel output (dmesg)

There isn't any.

  • container log (The file from running lxc-start -n <c> -l TRACE -o <logfile> )
lxc-start training 20231109080647.499 TRACE    commands - ../src/lxc/commands.c:lxc_cmd:514 - Connection refused - Command "get_init_pid" failed to connect command socket
lxc-start training 20231109080647.500 TRACE    commands - ../src/lxc/commands.c:lxc_cmd:514 - Connection refused - Command "get_state" failed to connect command socket
lxc-start training 20231109080647.500 TRACE    start - ../src/lxc/start.c:lxc_init_handler:738 - Created anonymous pair {4,5} of unix sockets
lxc-start training 20231109080647.500 TRACE    commands - ../src/lxc/commands.c:lxc_server_init:2121 - Created abstract unix socket "/var/lib/lxc/training/command"
lxc-start training 20231109080647.500 TRACE    start - ../src/lxc/start.c:lxc_init_handler:754 - Unix domain socket 6 for command server is ready
lxc-start training 20231109080647.500 INFO     lxccontainer - ../src/lxc/lxccontainer.c:do_lxcapi_start:998 - Set process title to [lxc monitor] /var/lib/lxc training
lxc-start training 20231109080647.501 DEBUG    lxccontainer - ../src/lxc/lxccontainer.c:wait_on_daemonized_start:859 - First child 9537 exited
lxc-start training 20231109080647.501 TRACE    start - ../src/lxc/start.c:lxc_start:2221 - Doing lxc_start
lxc-start training 20231109080647.501 INFO     lsm - ../src/lxc/lsm/lsm.c:lsm_init_static:38 - Initialized LSM security driver AppArmor
lxc-start training 20231109080647.501 TRACE    start - ../src/lxc/start.c:lxc_init:778 - Initialized LSM
lxc-start training 20231109080647.501 TRACE    start - ../src/lxc/start.c:lxc_serve_state_clients:483 - Set container state to STARTING
lxc-start training 20231109080647.501 TRACE    start - ../src/lxc/start.c:lxc_serve_state_clients:486 - No state clients registered
lxc-start training 20231109080647.501 TRACE    start - ../src/lxc/start.c:lxc_init:784 - Set container state to "STARTING"
lxc-start training 20231109080647.502 TRACE    start - ../src/lxc/start.c:lxc_init:840 - Set environment variables
lxc-start training 20231109080647.502 TRACE    start - ../src/lxc/start.c:lxc_init:845 - Ran pre-start hooks
lxc-start training 20231109080647.502 TRACE    start - ../src/lxc/start.c:setup_signal_fd:370 - Created signal file descriptor 8
lxc-start training 20231109080647.502 TRACE    start - ../src/lxc/start.c:lxc_init:858 - Set up signal fd
lxc-start training 20231109080647.502 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:unpriv_systemd_create_scope:1292 - unpriv_systemd_create_scope: no systemd support
lxc-start training 20231109080647.502 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:cgroup_hierarchy_add:463 - Adding cgroup hierarchy mounted at  and base cgroup (null)
lxc-start training 20231109080647.502 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:cgroup_hierarchy_add:466 - The hierarchy contains the cpuset controller
lxc-start training 20231109080647.502 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:cgroup_hierarchy_add:466 - The hierarchy contains the cpu controller
lxc-start training 20231109080647.502 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:cgroup_hierarchy_add:466 - The hierarchy contains the io controller
lxc-start training 20231109080647.502 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:cgroup_hierarchy_add:466 - The hierarchy contains the memory controller
lxc-start training 20231109080647.502 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:cgroup_hierarchy_add:466 - The hierarchy contains the hugetlb controller
lxc-start training 20231109080647.502 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:cgroup_hierarchy_add:466 - The hierarchy contains the pids controller
lxc-start training 20231109080647.502 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:cgroup_hierarchy_add:466 - The hierarchy contains the rdma controller
lxc-start training 20231109080647.502 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:cgroup_hierarchy_add:466 - The hierarchy contains the misc controller
lxc-start training 20231109080647.502 TRACE    cgroup2_devices - ../src/lxc/cgroups/cgroup2_devices.c:bpf_program_load_kernel:335 - Loaded bpf program: func#0 @0
0: R1=ctx(off=0,imm=0) R10=fp0
0: (61) r2 = *(u32 *)(r1 +0)          ; R1=ctx(off=0,imm=0) R2_w=scalar(umax=4294967295,var_off=(0x0; 0xffffffff))
1: (54) w2 &= 65535                   ; R2_w=scalar(umax=65535,var_off=(0x0; 0xffff))
2: (61) r3 = *(u32 *)(r1 +0)          ; R1=ctx(off=0,imm=0) R3_w=scalar(umax=4294967295,var_off=(0x0; 0xffffffff))
3: (74) w3 >>= 16                     ; R3_w=scalar(umax=65535,var_off=(0x0; 0xffff))
4: (61) r4 = *(u32 *)(r1 +4)          ; R1=ctx(off=0,imm=0) R4_w=scalar(umax=4294967295,var_off=(0x0; 0xffffffff))
5: (61) r5 = *(u32 *)(r1 +8)          ; R1=ctx(off=0,imm=0) R5_w=scalar(umax=4294967295,var_off=(0x0; 0xffffffff))
6: (b7) r0 = 1                        ; R0_w=1
7: (95) exit
processed 8 insns (limit 1000000) max_states_per_insn 0 total_states 0 peak_states 0 mark_read 0

lxc-start training 20231109080647.502 TRACE    cgroup2_devices - ../src/lxc/cgroups/cgroup2_devices.c:bpf_devices_cgroup_supported:553 - The bpf device cgroup is supported
lxc-start training 20231109080647.502 TRACE    cgroup - ../src/lxc/cgroups/cgroup.c:cgroup_init:41 - Initialized cgroup driver cgfsng
lxc-start training 20231109080647.502 TRACE    cgroup - ../src/lxc/cgroups/cgroup.c:cgroup_init:48 - Unified cgroup layout
lxc-start training 20231109080647.502 TRACE    start - ../src/lxc/start.c:lxc_init:865 - Initialized cgroup driver
lxc-start training 20231109080647.502 DEBUG    seccomp - ../src/lxc/seccomp.c:parse_config_v2:656 - Host native arch is [3221225534]
lxc-start training 20231109080647.502 TRACE    seccomp - ../src/lxc/seccomp.c:get_new_ctx:470 - Added arch 2 to main seccomp context
lxc-start training 20231109080647.502 TRACE    seccomp - ../src/lxc/seccomp.c:get_new_ctx:478 - Removed native arch from main seccomp context
lxc-start training 20231109080647.502 TRACE    seccomp - ../src/lxc/seccomp.c:get_new_ctx:470 - Added arch 3 to main seccomp context
lxc-start training 20231109080647.503 TRACE    seccomp - ../src/lxc/seccomp.c:get_new_ctx:478 - Removed native arch from main seccomp context
lxc-start training 20231109080647.503 TRACE    seccomp - ../src/lxc/seccomp.c:get_new_ctx:483 - Arch 4 already present in main seccomp context
lxc-start training 20231109080647.503 INFO     seccomp - ../src/lxc/seccomp.c:parse_config_v2:807 - Processing "reject_force_umount  # comment this to allow umount -f;  not recommended"
lxc-start training 20231109080647.503 INFO     seccomp - ../src/lxc/seccomp.c:do_resolve_add_rule:524 - Set seccomp rule to reject force umounts
lxc-start training 20231109080647.503 INFO     seccomp - ../src/lxc/seccomp.c:do_resolve_add_rule:524 - Set seccomp rule to reject force umounts
lxc-start training 20231109080647.503 INFO     seccomp - ../src/lxc/seccomp.c:do_resolve_add_rule:524 - Set seccomp rule to reject force umounts
lxc-start training 20231109080647.503 INFO     seccomp - ../src/lxc/seccomp.c:parse_config_v2:807 - Processing "[all]"
lxc-start training 20231109080647.503 INFO     seccomp - ../src/lxc/seccomp.c:parse_config_v2:807 - Processing "kexec_load errno 1"
lxc-start training 20231109080647.503 INFO     seccomp - ../src/lxc/seccomp.c:do_resolve_add_rule:564 - Adding native rule for syscall[246:kexec_load] action[327681:errno] arch[0]
lxc-start training 20231109080647.503 INFO     seccomp - ../src/lxc/seccomp.c:do_resolve_add_rule:564 - Adding compat rule for syscall[246:kexec_load] action[327681:errno] arch[1073741827]
lxc-start training 20231109080647.503 INFO     seccomp - ../src/lxc/seccomp.c:do_resolve_add_rule:564 - Adding compat rule for syscall[246:kexec_load] action[327681:errno] arch[1073741886]
lxc-start training 20231109080647.503 INFO     seccomp - ../src/lxc/seccomp.c:parse_config_v2:807 - Processing "open_by_handle_at errno 1"
lxc-start training 20231109080647.503 INFO     seccomp - ../src/lxc/seccomp.c:do_resolve_add_rule:564 - Adding native rule for syscall[304:open_by_handle_at] action[327681:errno] arch[0]
lxc-start training 20231109080647.503 INFO     seccomp - ../src/lxc/seccomp.c:do_resolve_add_rule:564 - Adding compat rule for syscall[304:open_by_handle_at] action[327681:errno] arch[1073741827]
lxc-start training 20231109080647.503 INFO     seccomp - ../src/lxc/seccomp.c:do_resolve_add_rule:564 - Adding compat rule for syscall[304:open_by_handle_at] action[327681:errno] arch[1073741886]
lxc-start training 20231109080647.503 INFO     seccomp - ../src/lxc/seccomp.c:parse_config_v2:807 - Processing "init_module errno 1"
lxc-start training 20231109080647.503 INFO     seccomp - ../src/lxc/seccomp.c:do_resolve_add_rule:564 - Adding native rule for syscall[175:init_module] action[327681:errno] arch[0]
lxc-start training 20231109080647.503 INFO     seccomp - ../src/lxc/seccomp.c:do_resolve_add_rule:564 - Adding compat rule for syscall[175:init_module] action[327681:errno] arch[1073741827]
lxc-start training 20231109080647.503 INFO     seccomp - ../src/lxc/seccomp.c:do_resolve_add_rule:564 - Adding compat rule for syscall[175:init_module] action[327681:errno] arch[1073741886]
lxc-start training 20231109080647.503 INFO     seccomp - ../src/lxc/seccomp.c:parse_config_v2:807 - Processing "finit_module errno 1"
lxc-start training 20231109080647.503 INFO     seccomp - ../src/lxc/seccomp.c:do_resolve_add_rule:564 - Adding native rule for syscall[313:finit_module] action[327681:errno] arch[0]
lxc-start training 20231109080647.503 INFO     seccomp - ../src/lxc/seccomp.c:do_resolve_add_rule:564 - Adding compat rule for syscall[313:finit_module] action[327681:errno] arch[1073741827]
lxc-start training 20231109080647.503 INFO     seccomp - ../src/lxc/seccomp.c:do_resolve_add_rule:564 - Adding compat rule for syscall[313:finit_module] action[327681:errno] arch[1073741886]
lxc-start training 20231109080647.503 INFO     seccomp - ../src/lxc/seccomp.c:parse_config_v2:807 - Processing "delete_module errno 1"
lxc-start training 20231109080647.503 INFO     seccomp - ../src/lxc/seccomp.c:do_resolve_add_rule:564 - Adding native rule for syscall[176:delete_module] action[327681:errno] arch[0]
lxc-start training 20231109080647.503 INFO     seccomp - ../src/lxc/seccomp.c:do_resolve_add_rule:564 - Adding compat rule for syscall[176:delete_module] action[327681:errno] arch[1073741827]
lxc-start training 20231109080647.503 INFO     seccomp - ../src/lxc/seccomp.c:do_resolve_add_rule:564 - Adding compat rule for syscall[176:delete_module] action[327681:errno] arch[1073741886]
lxc-start training 20231109080647.503 INFO     seccomp - ../src/lxc/seccomp.c:parse_config_v2:1017 - Merging compat seccomp contexts into main context
lxc-start training 20231109080647.503 TRACE    seccomp - ../src/lxc/seccomp.c:parse_config_v2:1027 - Merged first compat seccomp context into main context
lxc-start training 20231109080647.503 TRACE    seccomp - ../src/lxc/seccomp.c:parse_config_v2:1043 - Merged second compat seccomp context into main context
lxc-start training 20231109080647.503 TRACE    start - ../src/lxc/start.c:lxc_init:872 - Read seccomp policy
lxc-start training 20231109080647.663 TRACE    start - ../src/lxc/start.c:lxc_init:879 - Initialized LSM
lxc-start training 20231109080647.663 INFO     start - ../src/lxc/start.c:lxc_init:881 - Container "training" is initialized
lxc-start training 20231109080647.680 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:__cgroup_tree_create:727 - Created 10(lxc.monitor.training) cgroup
lxc-start training 20231109080647.680 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:__cgroup_tree_create:742 - Opened newly created cgroup lxc.monitor.training as 11
lxc-start training 20231109080647.680 INFO     cgfsng - ../src/lxc/cgroups/cgfsng.c:cgfsng_monitor_create:1391 - The monitor process uses "lxc.monitor.training" as cgroup
lxc-start training 20231109080647.680 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:__cgfsng_delegate_controllers:3343 - Enabled "+cpuset +cpu +io +memory +hugetlb +pids +rdma +misc" controllers in the unified cgroup 10
lxc-start training 20231109080647.712 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:cgfsng_monitor_enter:1541 - Moved monitor (9538) into cgroup 11
lxc-start training 20231109080647.712 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:cgfsng_monitor_enter:1555 - Moved transient process into cgroup 11
lxc-start training 20231109080647.712 DEBUG    storage - ../src/lxc/storage/storage.c:get_storage_by_name:209 - Detected rootfs type "dir"
lxc-start training 20231109080647.712 TRACE    conf - ../src/lxc/conf.c:lxc_rootfs_init:588 - Pinned rootfs 13(.lxc_keep)
lxc-start training 20231109080647.712 TRACE    conf - ../src/lxc/conf.c:lxc_rootfs_init:604 - Unlinked pinned file 12(.lxc_keep)
lxc-start training 20231109080647.713 TRACE    sync - ../src/lxc/sync.c:lxc_sync_init:139 - Initialized synchronization infrastructure
lxc-start training 20231109080647.713 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:__cgroup_tree_create:727 - Created 10(lxc.payload.training) cgroup
lxc-start training 20231109080647.713 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:__cgroup_tree_create:742 - Opened newly created cgroup lxc.payload.training as 17
lxc-start training 20231109080647.713 INFO     cgfsng - ../src/lxc/cgroups/cgfsng.c:cgfsng_payload_create:1499 - The container process uses "lxc.payload.training" as inner and "lxc.payload.training" as limit cgroup
lxc-start training 20231109080647.714 TRACE    start - ../src/lxc/start.c:lxc_spawn:1702 - Spawned container directly into target cgroup via cgroup2 fd 17
lxc-start training 20231109080647.714 TRACE    start - ../src/lxc/start.c:lxc_spawn:1742 - Cloned child process 9543
lxc-start training 20231109080647.714 TRACE    start - ../src/lxc/start.c:core_scheduling:1560 - No new core scheduling domain requested
lxc-start training 20231109080647.714 TRACE    utils - ../src/lxc/utils.c:lxc_can_use_pidfd:1821 - Kernel supports pidfds
lxc-start training 20231109080647.714 INFO     start - ../src/lxc/start.c:lxc_spawn:1762 - Cloned CLONE_NEWNS
lxc-start training 20231109080647.714 INFO     start - ../src/lxc/start.c:lxc_spawn:1762 - Cloned CLONE_NEWPID
lxc-start training 20231109080647.714 INFO     start - ../src/lxc/start.c:lxc_spawn:1762 - Cloned CLONE_NEWUTS
lxc-start training 20231109080647.714 INFO     start - ../src/lxc/start.c:lxc_spawn:1762 - Cloned CLONE_NEWIPC
lxc-start training 20231109080647.714 INFO     start - ../src/lxc/start.c:lxc_spawn:1762 - Cloned CLONE_NEWNET
lxc-start training 20231109080647.714 INFO     start - ../src/lxc/start.c:lxc_spawn:1762 - Cloned CLONE_NEWCGROUP
lxc-start training 20231109080647.714 TRACE    start - ../src/lxc/start.c:lxc_spawn:1702 - Spawned container directly into target cgroup via cgroup2 fd 17
lxc-start training 20231109080647.714 DEBUG    start - ../src/lxc/start.c:lxc_try_preserve_namespace:139 - Preserved mnt namespace via fd 19 and stashed path as mnt:/proc/9538/fd/19
lxc-start training 20231109080647.714 DEBUG    start - ../src/lxc/start.c:lxc_try_preserve_namespace:139 - Preserved pid namespace via fd 20 and stashed path as pid:/proc/9538/fd/20
lxc-start training 20231109080647.714 DEBUG    start - ../src/lxc/start.c:lxc_try_preserve_namespace:139 - Preserved uts namespace via fd 21 and stashed path as uts:/proc/9538/fd/21
lxc-start training 20231109080647.714 DEBUG    start - ../src/lxc/start.c:lxc_try_preserve_namespace:139 - Preserved ipc namespace via fd 22 and stashed path as ipc:/proc/9538/fd/22
lxc-start training 20231109080647.714 DEBUG    start - ../src/lxc/start.c:lxc_try_preserve_namespace:139 - Preserved net namespace via fd 23 and stashed path as net:/proc/9538/fd/23
lxc-start training 20231109080647.714 DEBUG    start - ../src/lxc/start.c:lxc_try_preserve_namespace:139 - Preserved cgroup namespace via fd 24 and stashed path as cgroup:/proc/9538/fd/24
lxc-start training 20231109080647.714 WARN     cgfsng - ../src/lxc/cgroups/cgfsng.c:cgfsng_setup_limits_legacy:3155 - Invalid argument - Ignoring legacy cgroup limits on pure cgroup2 system
lxc-start training 20231109080647.715 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:__cgfsng_delegate_controllers:3343 - Enabled "+cpuset +cpu +io +memory +hugetlb +pids +rdma +misc" controllers in the unified cgroup 10
lxc-start training 20231109080647.715 TRACE    cgroup2_devices - ../src/lxc/cgroups/cgroup2_devices.c:bpf_list_add_device:470 - Device cgroup will block ("allowlist") all devices by default
lxc-start training 20231109080647.715 TRACE    cgroup2_devices - ../src/lxc/cgroups/cgroup2_devices.c:bpf_list_add_device:475 - Resetting cgroup device list
lxc-start training 20231109080647.715 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:cgfsng_setup_limits:3248 - Set "devices.deny" to "a"
lxc-start training 20231109080647.715 TRACE    cgroup2_devices - ../src/lxc/cgroups/cgroup2_devices.c:bpf_list_add_device:479 - Processing new device rule: type c, major -1, minor -1, access m, allow 1
lxc-start training 20231109080647.715 TRACE    sync - ../src/lxc/sync.c:lxc_sync_wait_parent:110 - Child waiting for parent with sequence startup
lxc-start training 20231109080647.715 TRACE    cgroup2_devices - ../src/lxc/cgroups/cgroup2_devices.c:bpf_list_add_device:516 - Added new device rule
lxc-start training 20231109080647.715 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:cgfsng_setup_limits:3248 - Set "devices.allow" to "c *:* m"
lxc-start training 20231109080647.715 TRACE    cgroup2_devices - ../src/lxc/cgroups/cgroup2_devices.c:bpf_list_add_device:479 - Processing new device rule: type b, major -1, minor -1, access m, allow 1
lxc-start training 20231109080647.715 TRACE    cgroup2_devices - ../src/lxc/cgroups/cgroup2_devices.c:bpf_list_add_device:516 - Added new device rule
lxc-start training 20231109080647.715 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:cgfsng_setup_limits:3248 - Set "devices.allow" to "b *:* m"
lxc-start training 20231109080647.715 TRACE    cgroup2_devices - ../src/lxc/cgroups/cgroup2_devices.c:bpf_list_add_device:479 - Processing new device rule: type c, major 1, minor 3, access rwm, allow 1
lxc-start training 20231109080647.715 TRACE    cgroup2_devices - ../src/lxc/cgroups/cgroup2_devices.c:bpf_list_add_device:516 - Added new device rule
lxc-start training 20231109080647.715 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:cgfsng_setup_limits:3248 - Set "devices.allow" to "c 1:3 rwm"
lxc-start training 20231109080647.715 TRACE    cgroup2_devices - ../src/lxc/cgroups/cgroup2_devices.c:bpf_list_add_device:479 - Processing new device rule: type c, major 1, minor 5, access rwm, allow 1
lxc-start training 20231109080647.715 TRACE    cgroup2_devices - ../src/lxc/cgroups/cgroup2_devices.c:bpf_list_add_device:516 - Added new device rule
lxc-start training 20231109080647.715 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:cgfsng_setup_limits:3248 - Set "devices.allow" to "c 1:5 rwm"
lxc-start training 20231109080647.715 TRACE    cgroup2_devices - ../src/lxc/cgroups/cgroup2_devices.c:bpf_list_add_device:479 - Processing new device rule: type c, major 1, minor 7, access rwm, allow 1
lxc-start training 20231109080647.715 TRACE    cgroup2_devices - ../src/lxc/cgroups/cgroup2_devices.c:bpf_list_add_device:516 - Added new device rule
lxc-start training 20231109080647.715 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:cgfsng_setup_limits:3248 - Set "devices.allow" to "c 1:7 rwm"
lxc-start training 20231109080647.715 TRACE    cgroup2_devices - ../src/lxc/cgroups/cgroup2_devices.c:bpf_list_add_device:479 - Processing new device rule: type c, major 5, minor 0, access rwm, allow 1
lxc-start training 20231109080647.715 TRACE    cgroup2_devices - ../src/lxc/cgroups/cgroup2_devices.c:bpf_list_add_device:516 - Added new device rule
lxc-start training 20231109080647.715 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:cgfsng_setup_limits:3248 - Set "devices.allow" to "c 5:0 rwm"
lxc-start training 20231109080647.715 TRACE    cgroup2_devices - ../src/lxc/cgroups/cgroup2_devices.c:bpf_list_add_device:479 - Processing new device rule: type c, major 5, minor 1, access rwm, allow 1
lxc-start training 20231109080647.715 TRACE    cgroup2_devices - ../src/lxc/cgroups/cgroup2_devices.c:bpf_list_add_device:516 - Added new device rule
lxc-start training 20231109080647.715 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:cgfsng_setup_limits:3248 - Set "devices.allow" to "c 5:1 rwm"
lxc-start training 20231109080647.715 TRACE    cgroup2_devices - ../src/lxc/cgroups/cgroup2_devices.c:bpf_list_add_device:479 - Processing new device rule: type c, major 5, minor 2, access rwm, allow 1
lxc-start training 20231109080647.715 TRACE    cgroup2_devices - ../src/lxc/cgroups/cgroup2_devices.c:bpf_list_add_device:516 - Added new device rule
lxc-start training 20231109080647.715 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:cgfsng_setup_limits:3248 - Set "devices.allow" to "c 5:2 rwm"
lxc-start training 20231109080647.715 TRACE    cgroup2_devices - ../src/lxc/cgroups/cgroup2_devices.c:bpf_list_add_device:479 - Processing new device rule: type c, major 1, minor 8, access rwm, allow 1
lxc-start training 20231109080647.715 TRACE    cgroup2_devices - ../src/lxc/cgroups/cgroup2_devices.c:bpf_list_add_device:516 - Added new device rule
lxc-start training 20231109080647.715 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:cgfsng_setup_limits:3248 - Set "devices.allow" to "c 1:8 rwm"
lxc-start training 20231109080647.715 TRACE    cgroup2_devices - ../src/lxc/cgroups/cgroup2_devices.c:bpf_list_add_device:479 - Processing new device rule: type c, major 1, minor 9, access rwm, allow 1
lxc-start training 20231109080647.715 TRACE    cgroup2_devices - ../src/lxc/cgroups/cgroup2_devices.c:bpf_list_add_device:516 - Added new device rule
lxc-start training 20231109080647.715 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:cgfsng_setup_limits:3248 - Set "devices.allow" to "c 1:9 rwm"
lxc-start training 20231109080647.715 TRACE    cgroup2_devices - ../src/lxc/cgroups/cgroup2_devices.c:bpf_list_add_device:479 - Processing new device rule: type c, major 136, minor -1, access rwm, allow 1
lxc-start training 20231109080647.715 TRACE    cgroup2_devices - ../src/lxc/cgroups/cgroup2_devices.c:bpf_list_add_device:516 - Added new device rule
lxc-start training 20231109080647.715 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:cgfsng_setup_limits:3248 - Set "devices.allow" to "c 136:* rwm"
lxc-start training 20231109080647.715 TRACE    cgroup2_devices - ../src/lxc/cgroups/cgroup2_devices.c:bpf_list_add_device:479 - Processing new device rule: type c, major 10, minor 229, access rwm, allow 1
lxc-start training 20231109080647.715 TRACE    cgroup2_devices - ../src/lxc/cgroups/cgroup2_devices.c:bpf_list_add_device:516 - Added new device rule
lxc-start training 20231109080647.715 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:cgfsng_setup_limits:3248 - Set "devices.allow" to "c 10:229 rwm"
lxc-start training 20231109080647.715 INFO     cgfsng - ../src/lxc/cgroups/cgfsng.c:cgfsng_setup_limits:3251 - Limits for the unified cgroup hierarchy have been setup
lxc-start training 20231109080647.715 TRACE    sync - ../src/lxc/sync.c:lxc_sync_barrier_child:97 - Parent waking child with sequence startup and waiting with sequence configure
lxc-start training 20231109080647.715 TRACE    sync - ../src/lxc/sync.c:lxc_sync_wake_parent:104 - Child waking parent with sequence configure
lxc-start training 20231109080647.715 TRACE    sync - ../src/lxc/sync.c:lxc_sync_wait_parent:110 - Child waiting for parent with sequence post-configure
lxc-start training 20231109080647.715 TRACE    start - ../src/lxc/start.c:lxc_spawn:1834 - Allocated new network namespace id
lxc-start training 20231109080647.715 ERROR    network - ../src/lxc/network.c:lxc_setup_l2proxy:3289 - File exists - Failed to add ipv4 dest "192.168.0.1" for network device "lo"
lxc-start training 20231109080647.716 ERROR    network - ../src/lxc/network.c:lxc_create_network_priv:3423 - File exists - Failed to setup l2proxy
lxc-start training 20231109080647.716 ERROR    start - ../src/lxc/start.c:lxc_spawn:1840 - Failed to create the network
lxc-start training 20231109080647.716 TRACE    start - ../src/lxc/start.c:lxc_expose_namespace_environment:906 - Set environment variable LXC_MNT_NS=/proc/9538/fd/19
lxc-start training 20231109080647.716 TRACE    start - ../src/lxc/start.c:lxc_expose_namespace_environment:906 - Set environment variable LXC_PID_NS=/proc/9538/fd/20
lxc-start training 20231109080647.716 TRACE    start - ../src/lxc/start.c:lxc_expose_namespace_environment:906 - Set environment variable LXC_UTS_NS=/proc/9538/fd/21
lxc-start training 20231109080647.716 TRACE    start - ../src/lxc/start.c:lxc_expose_namespace_environment:906 - Set environment variable LXC_IPC_NS=/proc/9538/fd/22
lxc-start training 20231109080647.716 TRACE    start - ../src/lxc/start.c:lxc_expose_namespace_environment:906 - Set environment variable LXC_NET_NS=/proc/9538/fd/23
lxc-start training 20231109080647.716 TRACE    start - ../src/lxc/start.c:lxc_expose_namespace_environment:906 - Set environment variable LXC_CGROUP_NS=/proc/9538/fd/24
lxc-start training 20231109080647.716 DEBUG    network - ../src/lxc/network.c:lxc_delete_network:4173 - Deleted network devices
lxc-start training 20231109080647.716 TRACE    start - ../src/lxc/start.c:lxc_serve_state_socket_pair:544 - Sent container state "ABORTING" to 5
lxc-start training 20231109080647.716 TRACE    start - ../src/lxc/start.c:lxc_serve_state_clients:483 - Set container state to ABORTING
lxc-start training 20231109080647.716 TRACE    start - ../src/lxc/start.c:lxc_serve_state_clients:486 - No state clients registered
lxc-start training 20231109080647.716 ERROR    lxccontainer - ../src/lxc/lxccontainer.c:wait_on_daemonized_start:878 - Received container state "ABORTING" instead of "RUNNING"
lxc-start training 20231109080647.716 ERROR    lxc_start - ../src/lxc/tools/lxc_start.c:main:306 - The container failed to start
lxc-start training 20231109080647.716 ERROR    lxc_start - ../src/lxc/tools/lxc_start.c:main:309 - To get more details, run the container in foreground mode
lxc-start training 20231109080647.716 ERROR    lxc_start - ../src/lxc/tools/lxc_start.c:main:311 - Additional information can be obtained by setting the --logfile and --logpriority options
lxc-start training 20231109080647.716 ERROR    start - ../src/lxc/start.c:__lxc_start:2107 - Failed to spawn container "training"
lxc-start training 20231109080647.716 TRACE    start - ../src/lxc/start.c:lxc_serve_state_clients:483 - Set container state to ABORTING
lxc-start training 20231109080647.716 TRACE    start - ../src/lxc/start.c:lxc_serve_state_clients:486 - No state clients registered
lxc-start training 20231109080647.716 WARN     start - ../src/lxc/start.c:lxc_abort:1036 - No such process - Failed to send SIGKILL via pidfd 18 for process 9543
lxc-start training 20231109080647.716 TRACE    start - ../src/lxc/start.c:lxc_serve_state_clients:483 - Set container state to STOPPING
lxc-start training 20231109080647.716 TRACE    start - ../src/lxc/start.c:lxc_serve_state_clients:486 - No state clients registered
lxc-start training 20231109080647.716 TRACE    start - ../src/lxc/start.c:lxc_expose_namespace_environment:906 - Set environment variable LXC_MNT_NS=/proc/9538/fd/19
lxc-start training 20231109080647.716 TRACE    start - ../src/lxc/start.c:lxc_expose_namespace_environment:906 - Set environment variable LXC_PID_NS=/proc/9538/fd/20
lxc-start training 20231109080647.716 TRACE    start - ../src/lxc/start.c:lxc_expose_namespace_environment:906 - Set environment variable LXC_UTS_NS=/proc/9538/fd/21
lxc-start training 20231109080647.716 TRACE    start - ../src/lxc/start.c:lxc_expose_namespace_environment:906 - Set environment variable LXC_IPC_NS=/proc/9538/fd/22
lxc-start training 20231109080647.716 TRACE    start - ../src/lxc/start.c:lxc_expose_namespace_environment:906 - Set environment variable LXC_NET_NS=/proc/9538/fd/23
lxc-start training 20231109080647.717 TRACE    start - ../src/lxc/start.c:lxc_expose_namespace_environment:906 - Set environment variable LXC_CGROUP_NS=/proc/9538/fd/24
lxc-start training 20231109080648.724 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:cgroup_tree_remove:492 - Removed cgroup tree 10(lxc.payload.training)
lxc-start training 20231109080648.725 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:__cgroup_tree_create:727 - Reusing 10(lxc.pivot) cgroup
lxc-start training 20231109080648.726 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:__cgroup_tree_create:742 - Opened cgroup lxc.pivot as 4
lxc-start training 20231109080648.113 TRACE    cgfsng - ../src/lxc/cgroups/cgfsng.c:cgfsng_monitor_destroy:928 - Removed cgroup tree 10(lxc.monitor.training)
lxc-start training 20231109080648.113 TRACE    start - ../src/lxc/start.c:lxc_end:963 - Closed command socket
lxc-start training 20231109080648.113 TRACE    start - ../src/lxc/start.c:lxc_end:974 - Set container state to "STOPPED"
lxc-start training 20231109080648.113 INFO     conf - ../src/lxc/conf.c:run_script_argv:341 - Executing script "/usr/share/lxcfs/lxc.reboot.hook" for container "training"
lxc-start training 20231109080648.113 TRACE    conf - ../src/lxc/conf.c:run_script_argv:384 - Set environment variable: LXC_HOOK_TYPE=post-stop
lxc-start training 20231109080648.113 TRACE    conf - ../src/lxc/conf.c:run_script_argv:389 - Set environment variable: LXC_HOOK_SECTION=lxc
  • the containers configuration file
# includes are inlined, that's why e.g. lxc.cap.drop and lxc.mount.auto occur twice
lxc.tty.dir = lxc
lxc.pty.max = 1024
lxc.tty.max = 4
lxc.cap.drop = mac_admin mac_override sys_time sys_module sys_rawio
lxc.hook.clone = /usr/share/lxc/hooks/clonehostname
lxc.cgroup.devices.deny = a
lxc.cgroup.devices.allow = c *:* m
lxc.cgroup.devices.allow = b *:* m
lxc.cgroup.devices.allow = c 1:3 rwm
lxc.cgroup.devices.allow = c 1:5 rwm
lxc.cgroup.devices.allow = c 1:7 rwm
lxc.cgroup.devices.allow = c 5:0 rwm
lxc.cgroup.devices.allow = c 5:1 rwm
lxc.cgroup.devices.allow = c 5:2 rwm
lxc.cgroup.devices.allow = c 1:8 rwm
lxc.cgroup.devices.allow = c 1:9 rwm
lxc.cgroup.devices.allow = c 136:* rwm
lxc.cgroup.devices.allow = c 10:229 rwm
lxc.cgroup2.devices.deny = a
lxc.cgroup2.devices.allow = c *:* m
lxc.cgroup2.devices.allow = b *:* m
lxc.cgroup2.devices.allow = c 1:3 rwm
lxc.cgroup2.devices.allow = c 1:5 rwm
lxc.cgroup2.devices.allow = c 1:7 rwm
lxc.cgroup2.devices.allow = c 5:0 rwm
lxc.cgroup2.devices.allow = c 5:1 rwm
lxc.cgroup2.devices.allow = c 5:2 rwm
lxc.cgroup2.devices.allow = c 1:8 rwm
lxc.cgroup2.devices.allow = c 1:9 rwm
lxc.cgroup2.devices.allow = c 136:* rwm
lxc.cgroup2.devices.allow = c 10:229 rwm
lxc.mount.auto = cgroup:mixed proc:mixed sys:mixed
lxc.mount.entry = /sys/fs/fuse/connections sys/fs/fuse/connections none bind,optional 0 0
lxc.seccomp.profile = /usr/share/lxc/config/common.seccomp
lxc.hook.mount = /usr/share/lxcfs/lxc.mount.hook
lxc.hook.post-stop = /usr/share/lxcfs/lxc.reboot.hook
lxc.tty.dir =
lxc.cgroup.devices.allow = c 254:0 rm
lxc.cgroup.devices.allow = c 10:200 rwm
lxc.cgroup.devices.allow = c 10:228 rwm
lxc.cgroup.devices.allow = c 10:232 rwm
lxc.apparmor.profile            = generated
lxc.apparmor.allow_nesting      = 0
lxc.hook.version                = 1
lxc.mount.auto                  = proc:mixed sys:ro cgroup:ro
lxc.mount.entry = run                                   run                                     tmpfs   rw,nodev,relatime,mode=755,size=20m,create=dir  0       0
lxc.mount.entry = none                                  dev/shm                                 tmpfs   rw,nosuid,nodev,mode=1777,size=100m,create=dir  0       0
lxc.mount.entry = /var/lib/sss                          var/lib/sss                             none    bind,ro,nodev,nosuid,noexec,noatime,create=dir  0       0
lxc.mount.entry = /srv/home                             home                                    none    bind,nodev,nosuid,relatime                      0       0
lxc.mount.entry = /srv/training/svn                     var/lib/svn/training                    none    bind,nodev,nosuid,relatime                      0       0
lxc.mount.entry = /srv/training/zerocms                 var/spool/zerocms                       none    bind,nodev,nosuid,relatime                      0       0
lxc.mount.entry = /srv/www/training.example.com var/www/training.example.com    none    bind,nodev,nosuid,relatime                      0       0
lxc.cap.drop =
lxc.cap.keep = audit_write chown dac_override dac_read_search fowner fsetid kill net_bind_service net_raw setgid setfcap setuid sys_ptrace
lxc.start.auto = 1
lxc.tty.dir =
lxc.tty.max = 0
lxc.autodev = 1
lxc.rootfs.managed = 0
lxc.rootfs.path = dir:/var/lib/lxc/training/rootfs
lxc.uts.name = training.backend.example.com
lxc.arch = amd64
lxc.net.0.type          = ipvlan
lxc.net.0.link          = intra
lxc.net.0.flags         = up
lxc.net.0.name          = intra
lxc.net.0.ipvlan.mode   = l3s
lxc.net.0.l2proxy       = 1
lxc.net.0.ipv4.address  = 192.168.0.1/20 192.168.0.255
lxc.net.0.ipv4.gateway  = 192.168.0.254

For completeness, here is the TRACE output for lxc-stop:

lxc-stop training 20231109081425.359 DEBUG    commands - ../src/lxc/commands.c:lxc_cmd_rsp_recv_fds:148 - Command "get_init_pid" received response
lxc-stop training 20231109081425.360 TRACE    commands - ../src/lxc/commands.c:lxc_cmd:521 - Opened new command socket connection fd 4 for command "get_init_pid"
lxc-stop training 20231109081425.361 DEBUG    commands - ../src/lxc/commands.c:lxc_cmd_rsp_recv_fds:148 - Command "get_state" received response
lxc-stop training 20231109081425.361 TRACE    commands - ../src/lxc/commands.c:lxc_cmd:521 - Opened new command socket connection fd 4 for command "get_state"
lxc-stop training 20231109081425.361 DEBUG    commands - ../src/lxc/commands.c:lxc_cmd_get_state:1063 - Container "training" is in "RUNNING" state
lxc-stop training 20231109081425.361 DEBUG    commands - ../src/lxc/commands.c:lxc_cmd_rsp_recv_fds:148 - Command "get_state" received response
lxc-stop training 20231109081425.361 TRACE    commands - ../src/lxc/commands.c:lxc_cmd:521 - Opened new command socket connection fd 4 for command "get_state"
lxc-stop training 20231109081425.361 DEBUG    commands - ../src/lxc/commands.c:lxc_cmd_get_state:1063 - Container "training" is in "RUNNING" state
lxc-stop training 20231109081425.361 DEBUG    commands - ../src/lxc/commands.c:lxc_cmd_rsp_recv_fds:137 - Received exact number of file descriptors 1 == 1 for command "get_init_pidfd"
lxc-stop training 20231109081425.361 DEBUG    commands - ../src/lxc/commands.c:lxc_cmd_rsp_recv:255 - Finished processing "get_init_pidfd" with file descriptor 5
lxc-stop training 20231109081425.361 TRACE    commands - ../src/lxc/commands.c:lxc_cmd:521 - Opened new command socket connection fd 4 for command "get_init_pidfd"
lxc-stop training 20231109081425.361 DEBUG    commands - ../src/lxc/commands.c:lxc_cmd_rsp_recv_fds:148 - Command "get_init_pid" received response
lxc-stop training 20231109081425.361 TRACE    commands - ../src/lxc/commands.c:lxc_cmd:521 - Opened new command socket connection fd 4 for command "get_init_pid"
lxc-stop training 20231109081425.361 DEBUG    commands - ../src/lxc/commands.c:lxc_cmd_rsp_recv_fds:148 - Command "add_state_client" received response
lxc-stop training 20231109081425.361 TRACE    commands - ../src/lxc/commands.c:lxc_cmd:521 - Opened new command socket connection fd 4 for command "add_state_client"
lxc-stop training 20231109081425.361 TRACE    commands - ../src/lxc/commands.c:lxc_cmd_add_state_client:1405 - State connection fd 4 ready to listen for container state changes
lxc-stop training 20231109081425.361 TRACE    lxccontainer - ../src/lxc/lxccontainer.c:do_lxcapi_shutdown:2124 - Sent signal 30 to pidfd 5
lxc-stop training 20231109081526.135 DEBUG    commands - ../src/lxc/commands.c:lxc_cmd_rsp_recv_fds:148 - Command "stop" received response
lxc-stop training 20231109081526.135 TRACE    commands - ../src/lxc/commands.c:lxc_cmd:521 - Opened new command socket connection fd 4 for command "stop"
lxc-stop training 20231109081526.135 INFO     commands - ../src/lxc/commands.c:lxc_cmd_stop:1110 - Container "training" has stopped
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