The log level in LockListener.java is INFO, there are too many log print to the console as follows:

2017-05-27 00:34:42,107 | INFO | eChangeHandler-0 | LockListener | 364 - org.opendaylight.genius.lockmanager-impl - 0.2.0.Carbon | Received remove for lock interfacestunf15e48ebd70 : Lock{getLockName=interfacestunf15e48ebd70, getLockOwner=ForkJoinPool-1-worker-3, augmentations={}}
2017-05-27 00:34:42,123 | INFO | eChangeHandler-0 | LockListener | 364 - org.opendaylight.genius.lockmanager-impl - 0.2.0.Carbon | Received add for lock interfacestun0ed35c430ce : Lock{getLockName=interfacestun0ed35c430ce, getLockOwner=ForkJoinPool-1-worker-1, augmentations={}}
2017-05-27 00:34:42,123 | INFO | eChangeHandler-0 | LockListener | 364 - org.opendaylight.genius.lockmanager-impl - 0.2.0.Carbon | Received remove for lock interfacestun0ed35c430ce : Lock{getLockName=interfacestun0ed35c430ce, getLockOwner=ForkJoinPool-1-worker-1, augmentations={}}
2017-05-27 00:34:42,141 | INFO | eChangeHandler-0 | LockListener | 364 - org.opendaylight.genius.lockmanager-impl - 0.2.0.Carbon | Received add for lock interfacestund5bd49c3e6a : Lock{getLockName=interfacestund5bd49c3e6a, getLockOwner=ForkJoinPool-1-worker-2, augmentations={}}
2017-05-27 00:34:42,141 | INFO | eChangeHandler-0 | LockListener | 364 - org.opendaylight.genius.lockmanager-impl - 0.2.0.Carbon | Received remove for lock interfacestund5bd49c3e6a : Lock{getLockName=interfacestund5bd49c3e6a, getLockOwner=ForkJoinPool-1-worker-2, augmentations={}}
2017-05-27 00:34:42,158 | INFO | eChangeHandler-0 | LockListener | 364 - org.opendaylight.genius.lockmanager-impl - 0.2.0.Carbon | Received add for lock interfacestun38c895cae28 : Lock{getLockName=interfacestun38c895cae28, getLockOwner=ForkJoinPool-1-worker-4, augmentations={}}
2017-05-27 00:34:42,158 | INFO | eChangeHandler-0 | LockListener | 364 - org.opendaylight.genius.lockmanager-impl - 0.2.0.Carbon | Received remove for lock interfacestun38c895cae28 : Lock{getLockName=interfacestun38c895cae28, getLockOwner=ForkJoinPool-1-worker-4, augmentations={}}