Auto-tests fail for tls-with-cert.pcap on Debian Stretch

[cybermaggedon]

Auto-tests fail for building on some Debian/Ubuntu cases.

tls-with-cert.pcap test case.

< .action tls_handshake_complete 2
---
> .action tls_handshake_complete 1
17c17
< .dest.0 ipv4:93.184.216.34 13
---
> .dest.0 ipv4:93.184.216.34 12
19c19
< .dest.1 tcp:443 13
---
> .dest.1 tcp:443 12
23,24c23,24
< .dest.2 tls 25
< .device PCAP 33
---
> .dest.2 tls 24
> .device PCAP 32
37c37
< .src.0 ipv4:172.17.0.2 15
---
> .src.0 ipv4:172.17.0.2 14
40c40
< .src.1 tcp:43258 13
---
> .src.1 tcp:43258 12
45c45
< .src.2 tls 25
---
> .src.2 tls 24
156c156
< .tls_handshake_complete.tls None 2
---
> .tls_handshake_complete.tls None 1