[  485.249159] netdevsim netdevsim347 eni347np1: renamed from eth0
[  485.351019] netdevsim netdevsim554 eni554np1: renamed from eth1
[  485.703537] Could not find device with ifindex 2000 in netnsfd 11
[  485.703686] Could not find netns with fd: 2000
[  485.703795] Cannot link a netdevsim to itself
[  485.703884] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).