[  769.445574][T13085] netdevsim netdevsim320 eni320np1: renamed from eth0
[  769.461369][T13087] netdevsim netdevsim515 eni515np1: renamed from eth1
[  770.074712][T13073] Could not find device with ifindex 2000 in netnsfd 11
[  770.075553][T13073] Could not find netns with fd: 2000
[  770.075951][T13073] Cannot link a netdevsim to itself
[  770.076436][T13073] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).