[  855.944494][T15783] netdevsim netdevsim297 eni297np1: renamed from eth0
[  855.947927][T15785] netdevsim netdevsim602 eni602np1: renamed from eth1
[  856.600809][T15771] Could not find device with ifindex 2000 in netnsfd 11
[  856.601364][T15771] Could not find netns with fd: 2000
[  856.601760][T15771] Cannot link a netdevsim to itself
[  856.602205][T15771] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).