[  484.534755] netdevsim netdevsim308 eni308np1: renamed from eth0
[  484.636584] netdevsim netdevsim613 eni613np1: renamed from eth1
[  484.946982] Could not find device with ifindex 2000 in netnsfd 11
[  484.947111] Could not find netns with fd: 2000
[  484.947174] Cannot link a netdevsim to itself
[  484.947252] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).