[  489.834109] netdevsim netdevsim415 eni415np1: renamed from eth0
[  489.935846] netdevsim netdevsim578 eni578np1: renamed from eth1
[  490.312469] Could not find device with ifindex 2000 in netnsfd 11
[  490.312617] Could not find netns with fd: 2000
[  490.312699] Cannot link a netdevsim to itself
[  490.312794] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).