[  803.946154][T15639] netdevsim netdevsim312 eni312np1: renamed from eth0
[  803.976107][T15640] netdevsim netdevsim663 eni663np1: renamed from eth1
[  804.644762][T15627] Could not find device with ifindex 2000 in netnsfd 11
[  804.645854][T15627] Could not find netns with fd: 2000
[  804.646331][T15627] Cannot link a netdevsim to itself
[  804.646899][T15627] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).