[  811.738217][T14758] netdevsim netdevsim444 eni444np1: renamed from eth0
[  811.756619][T14760] netdevsim netdevsim707 eni707np1: renamed from eth1
[  812.362500][T14746] Could not find device with ifindex 2000 in netnsfd 11
[  812.363020][T14746] Could not find netns with fd: 2000
[  812.363393][T14746] Cannot link a netdevsim to itself
[  812.363803][T14746] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).