[  480.128916] netdevsim netdevsim346 eni346np1: renamed from eth0
[  480.129677] netdevsim netdevsim623 eni623np1: renamed from eth1
[  480.244382] Could not find device with ifindex 2000 in netnsfd 11
[  480.244490] Could not find netns with fd: 2000
[  480.244580] Cannot link a netdevsim to itself
[  480.244647] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).