[  804.792902][T14571] netdevsim netdevsim508 eni508np1: renamed from eth0
[  804.821803][T14573] netdevsim netdevsim548 eni548np1: renamed from eth1
[  805.417588][T14559] Could not find device with ifindex 2000 in netnsfd 11
[  805.418440][T14559] Could not find netns with fd: 2000
[  805.418822][T14559] Cannot link a netdevsim to itself
[  805.419272][T14559] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).