[ 1031.794431][T12654] netdevsim netdevsim666 eni666np1: renamed from eth1
[ 1031.893390][T12653] netdevsim netdevsim508 eni508np1: renamed from eth0
[ 1033.769409][T12645] Could not find device with ifindex 2000 in netnsfd 11
[ 1033.771032][T12645] Could not find netns with fd: 2000
[ 1033.772188][T12645] Cannot link a netdevsim to itself
[ 1033.773602][T12645] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).