time /usr/local/bin/avprobe  udp://240.123.10.40:58040?timeout=300
avprobe version v9-1485-ge0d6e2f, Copyright (c) 2007-2013 the Libav developers
  built on Jun 19 2013 20:39:14 with gcc 4.7 (Debian 4.7.2-5)
Terminated

real    0m41.441s
user    0m0.000s
sys     0m0.060s