More verbose installation of gr-gsm and company.
diff --git a/dockerfiles/Ubuntu15_pybombs.docker b/dockerfiles/Ubuntu15_pybombs.docker
index 183fe6d..9c2a5f0 100644
--- a/dockerfiles/Ubuntu15_pybombs.docker
+++ b/dockerfiles/Ubuntu15_pybombs.docker
@@ -12,5 +12,5 @@
 RUN pybombs config default_prefix default_prx
 RUN pybombs recipes add gr-recipes git+https://github.com/gnuradio/gr-recipes.git
 RUN pybombs recipes add gr-etcetera git+https://github.com/gnuradio/gr-etcetera.git
-RUN pybombs install gr-gsm
+RUN pybombs -v install gr-gsm
 RUN ldconfig