[  766.920872][T14551] netdevsim netdevsim344 eni344np1: renamed from eth0
[  766.930850][T14553] netdevsim netdevsim741 eni741np1: renamed from eth1
[  767.515625][T14539] Could not find device with ifindex 2000 in netnsfd 11
[  767.516200][T14539] Could not find netns with fd: 2000
[  767.522862][T14539] Cannot link a netdevsim to itself
[  767.523394][T14539] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).