While supporting AF_UNIX, once an accept() is called in relibc, in turn,
a dup() is also called with "listen". While processing this ipcd
effectively creates a new handler, losing track of the path of the
previous handler.

However, it is important to keep this path in the newly created Handler
as well, so the socket can be queried later by relibc (when calling
fpath()) and fill in appropriately its sockaddr_un struct.