[  519.957961] netdevsim netdevsim316 eni316np1: renamed from eth0
[  520.055303] netdevsim netdevsim693 eni693np1: renamed from eth1
[  520.311436] Could not find device with ifindex 2000 in netnsfd 11
[  520.311636] Could not find netns with fd: 2000
[  520.311734] Cannot link a netdevsim to itself
[  520.311850] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).