[  842.691614][T15788] netdevsim netdevsim375 eni375np1: renamed from eth0
[  842.700391][T15791] netdevsim netdevsim678 eni678np1: renamed from eth1
[  843.485457][T15776] Could not find device with ifindex 2000 in netnsfd 11
[  843.486247][T15776] Could not find netns with fd: 2000
[  843.486837][T15776] Cannot link a netdevsim to itself
[  843.487570][T15776] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).