[  515.217127] netdevsim netdevsim614 eni614np1: renamed from eth1
[  515.314526] netdevsim netdevsim478 eni478np1: renamed from eth0
[  515.542377] Could not find device with ifindex 2000 in netnsfd 11
[  515.542602] Could not find netns with fd: 2000
[  515.542701] Cannot link a netdevsim to itself
[  515.542835] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).