[  489.264640] netdevsim netdevsim716 eni716np1: renamed from eth1
[  489.360351] netdevsim netdevsim299 eni299np1: renamed from eth0
[  489.573956] Could not find device with ifindex 2000 in netnsfd 11
[  489.574271] Could not find netns with fd: 2000
[  489.574381] Cannot link a netdevsim to itself
[  489.574497] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).