[  474.898173] netdevsim netdevsim317 eni317np1: renamed from eth0
[  474.898462] netdevsim netdevsim569 eni569np1: renamed from eth1
[  474.988131] Could not find device with ifindex 2000 in netnsfd 11
[  474.988233] Could not find netns with fd: 2000
[  474.988275] Cannot link a netdevsim to itself
[  474.988327] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).