[  475.969603] netdevsim netdevsim682 eni682np1: renamed from eth1
[  475.970093] netdevsim netdevsim306 eni306np1: renamed from eth0
[  476.052887] Could not find device with ifindex 2000 in netnsfd 11
[  476.053060] Could not find netns with fd: 2000
[  476.053184] Cannot link a netdevsim to itself
[  476.053323] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).