[  488.710920] netdevsim netdevsim476 eni476np1: renamed from eth0
[  488.807434] netdevsim netdevsim761 eni761np1: renamed from eth1
[  489.063072] Could not find device with ifindex 2000 in netnsfd 11
[  489.063323] Could not find netns with fd: 2000
[  489.063407] Cannot link a netdevsim to itself
[  489.063514] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).