gistfile1.txt

# Connection before pod killed
tcp        0      0 172.20.191.42:55406     172.31.53.156:443       ESTABLISHED 1/kvm-operator-node

# Connection after pod killed (in this state for a while)
tcp        0     45 172.20.191.42:55406     172.31.53.156:443       ESTABLISHED 1/kvm-operator-node

# TCP dump right before pod killed

/ # tcpdump -i eth0 -nn host 172.31.53.156
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth0, link-type EN10MB (Ethernet), capture size 262144 bytes
08:58:58.643511 IP 172.20.191.42.55406 > 172.31.53.156.443: Flags [P.], seq 840135998:840136043, ack 3333803926, win 1348, length 45
08:58:58.870605 IP 172.20.191.42.55406 > 172.31.53.156.443: Flags [P.], seq 0:45, ack 1, win 1348, length 45
08:58:59.094601 IP 172.20.191.42.55406 > 172.31.53.156.443: Flags [P.], seq 0:45, ack 1, win 1348, length 45
08:58:59.542605 IP 172.20.191.42.55406 > 172.31.53.156.443: Flags [P.], seq 0:45, ack 1, win 1348, length 45
08:59:00.454609 IP 172.20.191.42.55406 > 172.31.53.156.443: Flags [P.], seq 0:45, ack 1, win 1348, length 45
08:59:02.246605 IP 172.20.191.42.55406 > 172.31.53.156.443: Flags [P.], seq 0:45, ack 1, win 1348, length 45
08:59:05.830617 IP 172.20.191.42.55406 > 172.31.53.156.443: Flags [P.], seq 0:45, ack 1, win 1348, length 45
08:59:13.447570 IP 172.20.191.42.55406 > 172.31.53.156.443: Flags [P.], seq 0:45, ack 1, win 1348, length 45
08:59:27.782626 IP 172.20.191.42.55406 > 172.31.53.156.443: Flags [P.], seq 0:45, ack 1, win 1348, length 45
08:59:56.454595 IP 172.20.191.42.55406 > 172.31.53.156.443: Flags [P.], seq 0:45, ack 1, win 1348, length 45
08:59:59.522671 IP 172.31.53.156 > 172.20.191.42: ICMP host 172.31.53.156 unreachable, length 93
09:00:25.126629 IP 172.20.191.42.55406 > 172.31.53.156.443: Flags [P.], seq 0:45, ack 1, win 1348, length 45
09:00:28.194104 IP 172.31.53.156 > 172.20.191.42: ICMP host 172.31.53.156 unreachable, length 93
09:00:53.798612 IP 172.20.191.42.55406 > 172.31.53.156.443: Flags [P.], seq 0:45, ack 1, win 1348, length 45
09:00:54.433676 IP 172.31.53.156 > 172.20.191.42: ICMP host 172.31.53.156 unreachable, length 93
09:01:22.470628 IP 172.20.191.42.55406 > 172.31.53.156.443: Flags [P.], seq 0:45, ack 1, win 1348, length 45
09:01:22.785275 IP 172.31.53.156 > 172.20.191.42: ICMP host 172.31.53.156 unreachable, length 93
09:01:51.142581 IP 172.20.191.42.55406 > 172.31.53.156.443: Flags [P.], seq 0:45, ack 1, win 1348, length 45
09:01:53.312851 IP 172.31.53.156 > 172.20.191.42: ICMP host 172.31.53.156 unreachable, length 93
09:02:19.814623 IP 172.20.191.42.55406 > 172.31.53.156.443: Flags [P.], seq 0:45, ack 1, win 1348, length 45
09:02:22.880376 IP 172.31.53.156 > 172.20.191.42: ICMP host 172.31.53.156 unreachable, length 93
09:02:48.486658 IP 172.20.191.42.55406 > 172.31.53.156.443: Flags [P.], seq 0:45, ack 1, win 1348, length 45
09:02:51.551956 IP 172.31.53.156 > 172.20.191.42: ICMP host 172.31.53.156 unreachable, length 93
09:03:17.158610 IP 172.20.191.42.55406 > 172.31.53.156.443: Flags [P.], seq 0:45, ack 1, win 1348, length 45
09:03:18.623682 IP 172.31.53.156 > 172.20.191.42: ICMP host 172.31.53.156 unreachable, length 93
09:03:45.830621 IP 172.20.191.42.55406 > 172.31.53.156.443: Flags [P.], seq 0:45, ack 1, win 1348, length 45
09:03:46.015379 IP 172.31.53.156 > 172.20.191.42: ICMP host 172.31.53.156 unreachable, length 93
09:04:14.502613 IP 172.20.191.42.55406 > 172.31.53.156.443: Flags [P.], seq 0:45, ack 1, win 1348, length 45
09:04:17.311081 IP 172.31.53.156 > 172.20.191.42: ICMP host 172.31.53.156 unreachable, length 93
09:04:43.174621 IP 172.20.191.42.55406 > 172.31.53.156.443: Flags [P.], seq 0:45, ack 1, win 1348, length 45
09:04:44.702764 IP 172.31.53.156 > 172.20.191.42: ICMP host 172.31.53.156 unreachable, length 93
09:05:11.846610 IP 172.20.191.42.55406 > 172.31.53.156.443: Flags [P.], seq 0:45, ack 1, win 1348, length 45
09:05:14.078399 IP 172.31.53.156 > 172.20.191.42: ICMP host 172.31.53.156 unreachable, length 93

### Similar ICMP messages until

09:13:50.491935 IP 172.31.53.156 > 172.20.191.42: ICMP host 172.31.53.156 unreachable, length 93
09:14:16.614645 IP 172.20.191.42.55406 > 172.31.53.156.443: Flags [P.], seq 0:45, ack 1, win 1348, length 45
09:14:19.675525 IP 172.31.53.156 > 172.20.191.42: ICMP host 172.31.53.156 unreachable, length 93
09:15:15.289278 IP 172.20.191.42.39566 > 172.31.53.156.443: Flags [S], seq 4171733423, win 27800, options [mss 1390,nop,nop,sackOK,nop,wscale 7], length 0
09:15:15.289444 IP 172.31.53.156.443 > 172.20.191.42.39566: Flags [S.], seq 435285480, ack 4171733424, win 29200, options [mss 1460,nop,nop,sackOK,nop,wscale 7], length 0
09:15:15.289486 IP 172.20.191.42.39566 > 172.31.53.156.443: Flags [.], ack 1, win 218, length 0
09:15:15.289669 IP 172.20.191.42.39566 > 172.31.53.156.443: Flags [P.], seq 1:182, ack 1, win 218, length 181
09:15:15.289745 IP 172.31.53.156.443 > 172.20.191.42.39566: Flags [.], ack 182, win 237, length 0
09:15:15.293530 IP 172.31.53.156.443 > 172.20.191.42.39566: Flags [P.], seq 1:1504, ack 182, win 237, length 1503
09:15:15.293536 IP 172.20.191.42.39566 > 172.31.53.156.443: Flags [.], ack 1504, win 241, length 0