[  489.385139] netdevsim netdevsim508 eni508np1: renamed from eth0
[  489.386585] netdevsim netdevsim591 eni591np1: renamed from eth1
[  489.476730] Could not find device with ifindex 2000 in netnsfd 11
[  489.476842] Could not find netns with fd: 2000
[  489.476894] Cannot link a netdevsim to itself
[  489.476949] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).