[  711.713838][T13097] netdevsim netdevsim477 eni477np1: renamed from eth0
[  711.735423][T13099] netdevsim netdevsim746 eni746np1: renamed from eth1
[  712.454778][T13084] Could not find device with ifindex 2000 in netnsfd 11
[  712.455910][T13084] Could not find netns with fd: 2000
[  712.456484][T13084] Cannot link a netdevsim to itself
[  712.457102][T13084] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).