[  487.888997] netdevsim netdevsim430 eni430np1: renamed from eth0
[  487.889444] netdevsim netdevsim568 eni568np1: renamed from eth1
[  487.991435] Could not find device with ifindex 2000 in netnsfd 11
[  487.991534] Could not find netns with fd: 2000
[  487.991578] Cannot link a netdevsim to itself
[  487.991628] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).