[  515.048316] netdevsim netdevsim735 eni735np1: renamed from eth1
[  515.145519] netdevsim netdevsim376 eni376np1: renamed from eth0
[  515.378890] Could not find device with ifindex 2000 in netnsfd 11
[  515.379073] Could not find netns with fd: 2000
[  515.379150] Cannot link a netdevsim to itself
[  515.379242] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).