[  488.915466] netdevsim netdevsim410 eni410np1: renamed from eth0
[  488.915978] netdevsim netdevsim748 eni748np1: renamed from eth1
[  489.007434] Could not find device with ifindex 2000 in netnsfd 11
[  489.007563] Could not find netns with fd: 2000
[  489.007659] Cannot link a netdevsim to itself
[  489.007769] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).