[  512.398332] netdevsim netdevsim371 eni371np1: renamed from eth0
[  512.495331] netdevsim netdevsim735 eni735np1: renamed from eth1
[  512.720383] Could not find device with ifindex 2000 in netnsfd 11
[  512.720607] Could not find netns with fd: 2000
[  512.720719] Cannot link a netdevsim to itself
[  512.720855] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).