[   14.686084][  T242] netdevsim netdevsim306 eni306np1: renamed from eth0
[   14.730548][  T240] netdevsim netdevsim714 eni714np1: renamed from eth1
[   17.323893][  T229] Could not find device with ifindex 2000 in netnsfd 11
[   17.326397][  T229] Could not find netns with fd: 2000
[   17.327582][  T229] Cannot link a netdevsim to itself
[   17.328964][  T229] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).