[  823.635890][T14763] netdevsim netdevsim316 eni316np1: renamed from eth0
[  823.657055][T14765] netdevsim netdevsim671 eni671np1: renamed from eth1
[  824.444492][T14751] Could not find device with ifindex 2000 in netnsfd 11
[  824.445338][T14751] Could not find netns with fd: 2000
[  824.445742][T14751] Cannot link a netdevsim to itself
[  824.446235][T14751] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).