[  822.818120][T15712] netdevsim netdevsim472 eni472np1: renamed from eth0
[  822.826219][T15714] netdevsim netdevsim761 eni761np1: renamed from eth1
[  823.459001][T15701] Could not find device with ifindex 2000 in netnsfd 11
[  823.459708][T15701] Could not find netns with fd: 2000
[  823.460224][T15701] Cannot link a netdevsim to itself
[  823.460795][T15701] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).