[  842.862915][T14740] netdevsim netdevsim402 eni402np1: renamed from eth0
[  842.872448][T14741] netdevsim netdevsim593 eni593np1: renamed from eth1
[  843.625597][T14729] Could not find device with ifindex 2000 in netnsfd 11
[  843.626368][T14729] Could not find netns with fd: 2000
[  843.626954][T14729] Cannot link a netdevsim to itself
[  843.627666][T14729] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).