[  848.183594][T15797] netdevsim netdevsim388 eni388np1: renamed from eth0
[  848.204530][T15799] netdevsim netdevsim523 eni523np1: renamed from eth1
[  848.812113][T15784] Could not find device with ifindex 2000 in netnsfd 11
[  848.812937][T15784] Could not find netns with fd: 2000
[  848.813405][T15784] Cannot link a netdevsim to itself
[  848.813930][T15784] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).