[  717.480899][T13079] netdevsim netdevsim300 eni300np1: renamed from eth0
[  717.497874][T13081] netdevsim netdevsim518 eni518np1: renamed from eth1
[  718.154132][T13066] Could not find device with ifindex 2000 in netnsfd 11
[  718.155152][T13066] Could not find netns with fd: 2000
[  718.155549][T13066] Cannot link a netdevsim to itself
[  718.156004][T13066] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).