[  746.495985][T14630] netdevsim netdevsim306 eni306np1: renamed from eth0
[  746.505346][T14632] netdevsim netdevsim704 eni704np1: renamed from eth1
[  747.045873][T14618] Could not find device with ifindex 2000 in netnsfd 11
[  747.046378][T14618] Could not find netns with fd: 2000
[  747.046723][T14618] Cannot link a netdevsim to itself
[  747.047124][T14618] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).