[  529.486714] netdevsim netdevsim735 eni735np1: renamed from eth1
[  529.583068] netdevsim netdevsim390 eni390np1: renamed from eth0
[  529.873722] Could not find device with ifindex 2000 in netnsfd 11
[  529.873960] Could not find netns with fd: 2000
[  529.874065] Cannot link a netdevsim to itself
[  529.874202] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).