[  489.049553] netdevsim netdevsim546 eni546np1: renamed from eth1
[  489.146598] netdevsim netdevsim262 eni262np1: renamed from eth0
[  489.372535] Could not find device with ifindex 2000 in netnsfd 11
[  489.372730] Could not find netns with fd: 2000
[  489.372803] Cannot link a netdevsim to itself
[  489.372892] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).