[  488.774545] netdevsim netdevsim448 eni448np1: renamed from eth0
[  488.776537] netdevsim netdevsim681 eni681np1: renamed from eth1
[  489.169418] Could not find device with ifindex 2000 in netnsfd 11
[  489.169594] Could not find netns with fd: 2000
[  489.169694] Cannot link a netdevsim to itself
[  489.169825] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).