[  458.913055] netdevsim netdevsim480 eni480np1: renamed from eth0
[  458.913736] netdevsim netdevsim650 eni650np1: renamed from eth1
[  458.995117] Could not find device with ifindex 2000 in netnsfd 11
[  458.995221] Could not find netns with fd: 2000
[  458.995268] Cannot link a netdevsim to itself
[  458.995323] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).