[ 1025.747816][T12478] netdevsim netdevsim647 eni647np1: renamed from eth1
[ 1025.858470][T12480] netdevsim netdevsim385 eni385np1: renamed from eth0
[ 1027.653705][T12472] Could not find device with ifindex 2000 in netnsfd 11
[ 1027.654951][T12472] Could not find netns with fd: 2000
[ 1027.655954][T12472] Cannot link a netdevsim to itself
[ 1027.656739][T12472] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).