[  715.100289][T13086] netdevsim netdevsim509 eni509np1: renamed from eth0
[  715.122974][T13088] netdevsim netdevsim738 eni738np1: renamed from eth1
[  715.785991][T13074] Could not find device with ifindex 2000 in netnsfd 11
[  715.786911][T13074] Could not find netns with fd: 2000
[  715.787323][T13074] Cannot link a netdevsim to itself
[  715.787797][T13074] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).