[  523.255976] netdevsim netdevsim380 eni380np1: renamed from eth0
[  523.353711] netdevsim netdevsim658 eni658np1: renamed from eth1
[  523.610555] Could not find device with ifindex 2000 in netnsfd 11
[  523.610810] Could not find netns with fd: 2000
[  523.610905] Cannot link a netdevsim to itself
[  523.611040] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).