[  851.704743][T15659] netdevsim netdevsim461 eni461np1: renamed from eth0
[  851.733008][T15658] netdevsim netdevsim516 eni516np1: renamed from eth1
[  852.538978][T15647] Could not find device with ifindex 2000 in netnsfd 11
[  852.540603][T15647] Could not find netns with fd: 2000
[  852.541725][T15647] Cannot link a netdevsim to itself
[  852.551651][T15647] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).