[  778.199500][T14581] netdevsim netdevsim371 eni371np1: renamed from eth0
[  778.210702][T14583] netdevsim netdevsim550 eni550np1: renamed from eth1
[  778.920923][T14569] Could not find device with ifindex 2000 in netnsfd 11
[  778.921491][T14569] Could not find netns with fd: 2000
[  778.921887][T14569] Cannot link a netdevsim to itself
[  778.922314][T14569] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).