id	summary	reporter	owner	description	type	status	priority	milestone	component	resolution	keywords	cc
48	Add error return codes	Nicolas Pouillon	Nicolas Pouillon	"Most calls return void. This is bad. There are plenty error causes that should be reported:
 * preparepkt could say desired payload is too big
 * pushpack could abandon the packet, or tell the interface is not configured


We should see whether to use hexo error codes or libnetwork private ones"	enhancement	new	major	Libnetwork rework	libnetwork