[  753.171589][T14640] netdevsim netdevsim415 eni415np1: renamed from eth0
[  753.191146][T14642] netdevsim netdevsim693 eni693np1: renamed from eth1
[  753.743422][T14628] Could not find device with ifindex 2000 in netnsfd 11
[  753.744001][T14628] Could not find netns with fd: 2000
[  753.744466][T14628] Cannot link a netdevsim to itself
[  753.744975][T14628] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).