[  492.809133] netdevsim netdevsim347 eni347np1: renamed from eth0
[  492.905643] netdevsim netdevsim539 eni539np1: renamed from eth1
[  493.178641] Could not find device with ifindex 2000 in netnsfd 11
[  493.179061] Could not find netns with fd: 2000
[  493.179189] Cannot link a netdevsim to itself
[  493.179323] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).