[  459.983904] netdevsim netdevsim434 eni434np1: renamed from eth0
[  459.984662] netdevsim netdevsim546 eni546np1: renamed from eth1
[  460.068222] Could not find device with ifindex 2000 in netnsfd 11
[  460.068411] Could not find netns with fd: 2000
[  460.068553] Cannot link a netdevsim to itself
[  460.068700] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).