[  488.146845] netdevsim netdevsim330 eni330np1: renamed from eth0
[  488.244721] netdevsim netdevsim650 eni650np1: renamed from eth1
[  488.428629] Could not find device with ifindex 2000 in netnsfd 11
[  488.428862] Could not find netns with fd: 2000
[  488.428976] Cannot link a netdevsim to itself
[  488.429111] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).