[  459.120781] netdevsim netdevsim386 eni386np1: renamed from eth0
[  459.121646] netdevsim netdevsim536 eni536np1: renamed from eth1
[  459.210289] Could not find device with ifindex 2000 in netnsfd 11
[  459.210394] Could not find netns with fd: 2000
[  459.210448] Cannot link a netdevsim to itself
[  459.210508] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).