[  475.574145] netdevsim netdevsim395 eni395np1: renamed from eth0
[  475.574966] netdevsim netdevsim600 eni600np1: renamed from eth0
[  475.661582] Could not find device with ifindex 2000 in netnsfd 11
[  475.661682] Could not find netns with fd: 2000
[  475.661727] Cannot link a netdevsim to itself
[  475.661777] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).