[  823.061644][T15780] netdevsim netdevsim281 eni281np1: renamed from eth0
[  823.085419][T15782] netdevsim netdevsim576 eni576np1: renamed from eth1
[  823.665379][T15767] Could not find device with ifindex 2000 in netnsfd 11
[  823.665997][T15767] Could not find netns with fd: 2000
[  823.666446][T15767] Cannot link a netdevsim to itself
[  823.666976][T15767] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).