[  728.507703][T13089] netdevsim netdevsim761 eni761np1: renamed from eth1
[  728.513117][T13087] netdevsim netdevsim343 eni343np1: renamed from eth0
[  729.227399][T13075] Could not find device with ifindex 2000 in netnsfd 11
[  729.228363][T13075] Could not find netns with fd: 2000
[  729.228857][T13075] Cannot link a netdevsim to itself
[  729.229468][T13075] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).