bugfix: wrong socket address in log msg of Pipe.cc

paddr was not yet set up for the socket address

Signed-off-by: Yongyue Sun abioy.sun@gmail.com
Merge pull request #2485 from Abioy/master

bugfix: wrong socket address in log msg of Pipe.cc

Reviewed-by: Loic Dachary <loic-201408@dachary.org>