[  486.465022] netdevsim netdevsim687 eni687np1: renamed from eth1
[  486.565442] netdevsim netdevsim495 eni495np1: renamed from eth0
[  486.933709] Could not find device with ifindex 2000 in netnsfd 11
[  486.933861] Could not find netns with fd: 2000
[  486.933950] Cannot link a netdevsim to itself
[  486.934050] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).