[  710.741698][T13017] netdevsim netdevsim506 eni506np1: renamed from eth0
[  710.759683][T13019] netdevsim netdevsim513 eni513np1: renamed from eth1
[  711.391909][T13005] Could not find device with ifindex 2000 in netnsfd 11
[  711.392904][T13005] Could not find netns with fd: 2000
[  711.393351][T13005] Cannot link a netdevsim to itself
[  711.393810][T13005] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).