[  486.632981] netdevsim netdevsim344 eni344np1: renamed from eth0
[  486.729898] netdevsim netdevsim541 eni541np1: renamed from eth1
[  486.917279] Could not find device with ifindex 2000 in netnsfd 11
[  486.917590] Could not find netns with fd: 2000
[  486.917683] Cannot link a netdevsim to itself
[  486.917775] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).