[  477.958870] netdevsim netdevsim461 eni461np1: renamed from eth0
[  478.060517] netdevsim netdevsim563 eni563np1: renamed from eth1
[  478.409255] Could not find device with ifindex 2000 in netnsfd 11
[  478.409406] Could not find netns with fd: 2000
[  478.409473] Cannot link a netdevsim to itself
[  478.409555] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).