[  771.178949][T14638] netdevsim netdevsim501 eni501np1: renamed from eth0
[  771.196488][T14640] netdevsim netdevsim558 eni558np1: renamed from eth1
[  771.747543][T14626] Could not find device with ifindex 2000 in netnsfd 11
[  771.748064][T14626] Could not find netns with fd: 2000
[  771.748427][T14626] Cannot link a netdevsim to itself
[  771.748849][T14626] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).