[  484.398909] netdevsim netdevsim433 eni433np1: renamed from eth0
[  484.399484] netdevsim netdevsim662 eni662np1: renamed from eth1
[  484.480711] Could not find device with ifindex 2000 in netnsfd 11
[  484.480790] Could not find netns with fd: 2000
[  484.480834] Cannot link a netdevsim to itself
[  484.480879] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).