[  823.965315][T14630] netdevsim netdevsim377 eni377np1: renamed from eth0
[  823.979239][T14632] netdevsim netdevsim545 eni545np1: renamed from eth1
[  824.645654][T14618] Could not find device with ifindex 2000 in netnsfd 11
[  824.646522][T14618] Could not find netns with fd: 2000
[  824.646916][T14618] Cannot link a netdevsim to itself
[  824.647393][T14618] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).