[  514.714295] netdevsim netdevsim264 eni264np1: renamed from eth0
[  514.812249] netdevsim netdevsim574 eni574np1: renamed from eth1
[  515.011976] Could not find device with ifindex 2000 in netnsfd 11
[  515.012153] Could not find netns with fd: 2000
[  515.012246] Cannot link a netdevsim to itself
[  515.012340] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).