am 987556bc: am abb8398e: Merge "Instead of closing the connection altogether if no UDP packets arrive after a certain time, try changing transports (to interleaved TCP). Also properly close the sockets on disconnection." into gingerbread

Merge commit '987556bc9bc1a61415b6e65bd600b8daf5b24d30'

* commit '987556bc9bc1a61415b6e65bd600b8daf5b24d30':
  Instead of closing the connection altogether if no UDP packets arrive after a certain time, try changing transports (to interleaved TCP). Also properly close the sockets on disconnection.