[  526.136099] netdevsim netdevsim435 eni435np1: renamed from eth0
[  526.233854] netdevsim netdevsim584 eni584np1: renamed from eth1
[  526.475400] Could not find device with ifindex 2000 in netnsfd 11
[  526.475586] Could not find netns with fd: 2000
[  526.475683] Cannot link a netdevsim to itself
[  526.475789] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).