[  515.660252] netdevsim netdevsim680 eni680np1: renamed from eth1
[  515.755827] netdevsim netdevsim379 eni379np1: renamed from eth0
[  515.984582] Could not find device with ifindex 2000 in netnsfd 11
[  515.984738] Could not find netns with fd: 2000
[  515.984815] Cannot link a netdevsim to itself
[  515.984909] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).