[  795.028576][T15762] netdevsim netdevsim343 eni343np1: renamed from eth0
[  795.053069][T15760] netdevsim netdevsim672 eni672np1: renamed from eth1
[  795.652499][T15749] Could not find device with ifindex 2000 in netnsfd 11
[  795.653012][T15749] Could not find netns with fd: 2000
[  795.653370][T15749] Cannot link a netdevsim to itself
[  795.654034][T15749] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).