[  841.091717][T14593] netdevsim netdevsim494 eni494np1: renamed from eth0
[  841.105064][T14595] netdevsim netdevsim681 eni681np1: renamed from eth1
[  841.806567][T14581] Could not find device with ifindex 2000 in netnsfd 11
[  841.807479][T14581] Could not find netns with fd: 2000
[  841.807904][T14581] Cannot link a netdevsim to itself
[  841.808693][T14581] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).