[ 1056.912387][T12755] netdevsim netdevsim660 eni660np1: renamed from eth1
[ 1057.016869][T12756] netdevsim netdevsim385 eni385np1: renamed from eth0
[ 1058.832095][T12748] Could not find device with ifindex 2000 in netnsfd 11
[ 1058.833104][T12748] Could not find netns with fd: 2000
[ 1058.833842][T12748] Cannot link a netdevsim to itself
[ 1058.834666][T12748] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).