more debug output for erratic systemd behavior
more debug output for erratic systemd behavior

cvmfs/cvmfs,djw8605/cvmfs,Gangbiao/cvmfs,cvmfs/cvmfs,cvmfs/cvmfs,DrDaveD/cvmfs,DrDaveD/cvmfs,DrDaveD/cvmfs,DrDaveD/cvmfs,djw8605/cvmfs,DrDaveD/cvmfs,DrDaveD/cvmfs,cvmfs/cvmfs,cvmfs/cvmfs,DrDaveD/cvmfs,Gangbiao/cvmfs,Gangbiao/cvmfs,Gangbiao/cvmfs,djw8605/cvmfs,djw8605/cvmfs,djw8605/cvmfs,cvmfs/cvmfs,Gangbiao/cvmfs,cvmfs/cvmfs