[  479.099210] netdevsim netdevsim277 eni277np1: renamed from eth0
[  479.100242] netdevsim netdevsim586 eni586np1: renamed from eth0
[  479.194339] Could not find device with ifindex 2000 in netnsfd 11
[  479.194492] Could not find netns with fd: 2000
[  479.194620] Cannot link a netdevsim to itself
[  479.194770] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).