[  719.608322][T13049] netdevsim netdevsim386 eni386np1: renamed from eth0
[  719.623203][T13051] netdevsim netdevsim519 eni519np1: renamed from eth1
[  720.269913][T13036] Could not find device with ifindex 2000 in netnsfd 11
[  720.270966][T13036] Could not find netns with fd: 2000
[  720.271438][T13036] Cannot link a netdevsim to itself
[  720.271922][T13036] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).