[  459.291899] netdevsim netdevsim317 eni317np1: renamed from eth0
[  459.292430] netdevsim netdevsim613 eni613np1: renamed from eth1
[  459.381535] Could not find device with ifindex 2000 in netnsfd 11
[  459.381637] Could not find netns with fd: 2000
[  459.381687] Cannot link a netdevsim to itself
[  459.381740] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).