[  883.122708][T15846] netdevsim netdevsim381 eni381np1: renamed from eth0
[  883.141801][T15848] netdevsim netdevsim641 eni641np1: renamed from eth1
[  883.798883][T15835] Could not find device with ifindex 2000 in netnsfd 11
[  883.799610][T15835] Could not find netns with fd: 2000
[  883.800084][T15835] Cannot link a netdevsim to itself
[  883.800600][T15835] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).