[  514.701785] netdevsim netdevsim382 eni382np1: renamed from eth0
[  514.799091] netdevsim netdevsim637 eni637np1: renamed from eth1
[  515.039787] Could not find device with ifindex 2000 in netnsfd 11
[  515.039949] Could not find netns with fd: 2000
[  515.040019] Cannot link a netdevsim to itself
[  515.040109] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).