[  868.836033][T14598] netdevsim netdevsim456 eni456np1: renamed from eth0
[  868.864768][T14600] netdevsim netdevsim528 eni528np1: renamed from eth1
[  869.656282][T14586] Could not find device with ifindex 2000 in netnsfd 11
[  869.657250][T14586] Could not find netns with fd: 2000
[  869.657751][T14586] Cannot link a netdevsim to itself
[  869.658314][T14586] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).