[  480.543646] netdevsim netdevsim271 eni271np1: renamed from eth0
[  480.645040] netdevsim netdevsim687 eni687np1: renamed from eth1
[  480.983868] Could not find device with ifindex 2000 in netnsfd 11
[  480.984033] Could not find netns with fd: 2000
[  480.984113] Cannot link a netdevsim to itself
[  480.984224] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).