[  489.268629] netdevsim netdevsim652 eni652np1: renamed from eth1
[  489.365319] netdevsim netdevsim308 eni308np1: renamed from eth0
[  489.619527] Could not find device with ifindex 2000 in netnsfd 11
[  489.619907] Could not find netns with fd: 2000
[  489.620048] Cannot link a netdevsim to itself
[  489.620195] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).