[  693.769076][T13043] netdevsim netdevsim398 eni398np1: renamed from eth0
[  693.787733][T13045] netdevsim netdevsim649 eni649np1: renamed from eth1
[  694.390392][T13031] Could not find device with ifindex 2000 in netnsfd 11
[  694.391198][T13031] Could not find netns with fd: 2000
[  694.391583][T13031] Cannot link a netdevsim to itself
[  694.392023][T13031] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).