[  823.736948][T15846] netdevsim netdevsim406 eni406np1: renamed from eth0
[  823.757422][T15847] netdevsim netdevsim742 eni742np1: renamed from eth1
[  824.493060][T15835] Could not find device with ifindex 2000 in netnsfd 11
[  824.493755][T15835] Could not find netns with fd: 2000
[  824.494234][T15835] Cannot link a netdevsim to itself
[  824.494777][T15835] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).