[  699.515486][T13055] netdevsim netdevsim453 eni453np1: renamed from eth0
[  699.536411][T13054] netdevsim netdevsim669 eni669np1: renamed from eth1
[  700.154424][T13042] Could not find device with ifindex 2000 in netnsfd 11
[  700.155250][T13042] Could not find netns with fd: 2000
[  700.155636][T13042] Cannot link a netdevsim to itself
[  700.156113][T13042] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).