[  818.292079][T14793] netdevsim netdevsim333 eni333np1: renamed from eth0
[  818.316666][T14795] netdevsim netdevsim557 eni557np1: renamed from eth1
[  819.067530][T14781] Could not find device with ifindex 2000 in netnsfd 11
[  819.068782][T14781] Could not find netns with fd: 2000
[  819.069278][T14781] Cannot link a netdevsim to itself
[  819.069844][T14781] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).