[  515.653297] netdevsim netdevsim317 eni317np1: renamed from eth0
[  515.751669] netdevsim netdevsim564 eni564np1: renamed from eth1
[  515.981460] Could not find device with ifindex 2000 in netnsfd 11
[  515.981671] Could not find netns with fd: 2000
[  515.981787] Cannot link a netdevsim to itself
[  515.981900] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).