[  472.183470] netdevsim netdevsim567 eni567np1: renamed from eth1
[  472.184097] netdevsim netdevsim319 eni319np1: renamed from eth0
[  472.260400] Could not find device with ifindex 2000 in netnsfd 11
[  472.260484] Could not find netns with fd: 2000
[  472.260528] Cannot link a netdevsim to itself
[  472.260584] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).