[  825.003119][T15842] netdevsim netdevsim389 eni389np1: renamed from eth0
[  825.038427][T15840] netdevsim netdevsim687 eni687np1: renamed from eth1
[  825.833818][T15828] Could not find device with ifindex 2000 in netnsfd 11
[  825.834507][T15828] Could not find netns with fd: 2000
[  825.834985][T15828] Cannot link a netdevsim to itself
[  825.835542][T15828] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).