[  718.819435][T13048] netdevsim netdevsim349 eni349np1: renamed from eth0
[  718.832628][T13050] netdevsim netdevsim603 eni603np1: renamed from eth1
[  719.490571][T13036] Could not find device with ifindex 2000 in netnsfd 11
[  719.491583][T13036] Could not find netns with fd: 2000
[  719.491993][T13036] Cannot link a netdevsim to itself
[  719.492466][T13036] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).