[  746.749074][T14444] netdevsim netdevsim259 eni259np1: renamed from eth0
[  746.783447][T14447] netdevsim netdevsim668 eni668np1: renamed from eth1
[  747.345252][T14432] Could not find device with ifindex 2000 in netnsfd 11
[  747.345816][T14432] Could not find netns with fd: 2000
[  747.346192][T14432] Cannot link a netdevsim to itself
[  747.346606][T14432] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).