dfuchs [Wed, 09 Oct 2019 17:38:58 +0100] rev 58518
8231260: (dc) DatagramChannel::disconnect changes the port of the local address to 0 (lnx)
Summary: DatagramChannel::disconnect will attempt to rebind to the original port if the local port switches back to 0 after the association is disolved by the system.
Reviewed-by: alanb, chegar, fweimer