[  819.579453][T15842] netdevsim netdevsim400 eni400np1: renamed from eth0
[  819.595950][T15841] netdevsim netdevsim760 eni760np1: renamed from eth1
[  820.194653][T15828] Could not find device with ifindex 2000 in netnsfd 11
[  820.195237][T15828] Could not find netns with fd: 2000
[  820.195699][T15828] Cannot link a netdevsim to itself
[  820.196200][T15828] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).