[  693.499697][T13048] netdevsim netdevsim491 eni491np1: renamed from eth0
[  693.529407][T13051] netdevsim netdevsim714 eni714np1: renamed from eth1
[  694.149211][T13036] Could not find device with ifindex 2000 in netnsfd 11
[  694.150068][T13036] Could not find netns with fd: 2000
[  694.150476][T13036] Cannot link a netdevsim to itself
[  694.150976][T13036] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).