Commits on Apr 25, 2024

1. OCPBUGS-31631: Deploy dual stack with IPv6 on top of bond/vlan fails …

   IPv6 L2 connectivity check uses nmap.  nmap uses NDP (Network Discovery
   Protocol) to check L2 connectivty to IPv6 hosts. There are cases that
   NDP response does not arrive or it is not captured by nmap which means
   that the system assumes there is no connectivity to the host.  However,
   there might be L3 connectivity (ping) to the same host.
   So change adds fallback for IPv6 L2 connectivity.  In case there is
   failure in L2 connectivity to IPv6 host and success in L3 connecivity to
   the same host, the host is assumed connected on L2, providing that the
   remote address is part of the L2 subnet being checked.

   

   ori-amizur authored and openshift-cherrypick-robot committed Apr 25, 2024
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