[  471.549961] netdevsim netdevsim347 eni347np1: renamed from eth0
[  471.550902] netdevsim netdevsim635 eni635np1: renamed from eth1
[  471.633811] Could not find device with ifindex 2000 in netnsfd 11
[  471.633936] Could not find netns with fd: 2000
[  471.634021] Cannot link a netdevsim to itself
[  471.634111] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).