[  454.828379] netdevsim netdevsim405 eni405np1: renamed from eth0
[  454.828949] netdevsim netdevsim683 eni683np1: renamed from eth1
[  454.910498] Could not find device with ifindex 2000 in netnsfd 11
[  454.910638] Could not find netns with fd: 2000
[  454.910737] Cannot link a netdevsim to itself
[  454.910859] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).