Printing log level, file name, and line number together with a
log message is the common practice in Osmocom projects that
facilitates debugging and development.
Change-Id: I80cd7cdfa41ae7e70a1890d88c8b2f7357a500af
Using hard-coded paths in shebang is a bad idea, because on different
systems Python interpreter can be installed in different places. See:
https://mail.python.org/pipermail/tutor/2007-June/054816.html
Change-Id: Ib729ece0c95254dc2b235f90eb731681df955bd1