NBU--7.6.0.2
8/12/2014 11:37:10 - Info bpbrm (pid=1478) reading file list for client
08/12/2014 11:37:10 - Info bpbrm (pid=1478) starting bpbkar on client
08/12/2014 11:37:10 - Info bpbkar (pid=1484) Backup started
08/12/2014 11:37:10 - Info bpbrm (pid=1478) bptm pid: 1485
08/12/2014 11:37:10 - started process bpbrm (pid=1478)
08/12/2014 11:37:10 - connecting
08/12/2014 11:37:10 - connected; connect time: 0:00:00
08/12/2014 11:37:11 - Info bptm (pid=1485) start
08/12/2014 11:37:11 - Info bptm (pid=1485) using 1048576 data buffer size
08/12/2014 11:37:11 - Info bptm (pid=1485) setting receive network buffer to 1048576 bytes
08/12/2014 11:37:11 - Info bptm (pid=1485) using 256 data buffers
08/12/2014 11:37:12 - Info bptm (pid=1485) start backup
08/12/2014 11:37:13 - begin writing
08/12/2014 11:38:40 - Info bpbkar (pid=1484) INF - Transport Type = nbd
08/12/2014 12:16:37 - Info bpbkar (pid=1484) bpbkar waited 0 times for empty buffer, delayed 0 times
08/12/2014 12:16:37 - Info bptm (pid=1485) waited for full buffer 65268 times, delayed 141004 times
08/12/2014 12:16:37 - Error bpbrm (pid=1478) db_flist_complete failed: events out of sequence - image inconsistency
08/12/2014 12:16:37 - Error bptm (pid=1485) get_string() failed, Broken pipe (32), premature end of file encountered
08/12/2014 12:16:37 - Info bptm (pid=1485) EXITING with status 42 <----------
08/12/2014 12:16:40 - Info bpbkar (pid=0) done. status: 42: network read failed
08/12/2014 12:16:40 - end writing; write time: 0:39:27
08/12/2014 12:26:41 - Info bpbrm (pid=5315) reading file list for client
08/12/2014 12:26:41 - Info bpbrm (pid=5315) starting bpbkar on client
08/12/2014 12:26:41 - Info bpbkar (pid=5320) Backup started
08/12/2014 12:26:41 - Info bpbrm (pid=5315) bptm pid: 5321
network read failed (42)
pls provide solution.Daily backups are completed but monthly failed.