[  490.040087] netdevsim netdevsim464 eni464np1: renamed from eth0
[  490.141839] netdevsim netdevsim586 eni586np1: renamed from eth1
[  490.468947] Could not find device with ifindex 2000 in netnsfd 11
[  490.469080] Could not find netns with fd: 2000
[  490.469145] Cannot link a netdevsim to itself
[  490.469224] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).