[  479.196634] netdevsim netdevsim508 eni508np1: renamed from eth0
[  479.197102] netdevsim netdevsim566 eni566np1: renamed from eth1
[  479.288570] Could not find device with ifindex 2000 in netnsfd 11
[  479.288683] Could not find netns with fd: 2000
[  479.288740] Cannot link a netdevsim to itself
[  479.288807] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).