[ 1305.358846][T12856] netdevsim netdevsim404 eni404np1: renamed from eth0
[ 1305.371578][T12857] netdevsim netdevsim613 eni613np1: renamed from eth1
[ 1308.062369][T12843] Could not find device with ifindex 2000 in netnsfd 11
[ 1308.065275][T12843] Could not find netns with fd: 2000
[ 1308.066231][T12843] Cannot link a netdevsim to itself
[ 1308.067419][T12843] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).