[  476.326829] netdevsim netdevsim317 eni317np1: renamed from eth0
[  476.327220] netdevsim netdevsim567 eni567np1: renamed from eth1
[  476.410888] Could not find device with ifindex 2000 in netnsfd 11
[  476.411040] Could not find netns with fd: 2000
[  476.411148] Cannot link a netdevsim to itself
[  476.411274] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).