[  715.533057][T13067] netdevsim netdevsim442 eni442np1: renamed from eth0
[  715.553846][T13066] netdevsim netdevsim604 eni604np1: renamed from eth1
[  716.262440][T13055] Could not find device with ifindex 2000 in netnsfd 11
[  716.263386][T13055] Could not find netns with fd: 2000
[  716.263878][T13055] Cannot link a netdevsim to itself
[  716.264452][T13055] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).