Export fails to connect to the Import process with errors in target event_log (4301939)

Export on the source server fails to connect to the Import process on the target.

Error from Source event_log:

Info     2013-03-06 15:45:57.182000 14272 14228 Export connected to import on XXXXXX
Error    2013-03-06 15:45:57.291000 14272 14228 Export: sp_xport: couldn't write data to socket - too many EINTR retries  (exporting to XXXXXX queue XXXXXX) [module xpt]
Error    2013-03-06 15:45:57.291000 14272 14228 Export: sp_xport: failed to send message to import - exiting  (exporting to XXXXXX queue XXXXXX) [module xpt]
Info     2013-03-06 15:46:07.415000 7784 17932 Export exited with code=1, pid = 15172  (exporting to XXXXXX queue XXXXXX)
Info     2013-03-06 15:50:56.503000 15588 20280 Export launched, pid = 15588  (exporting to XXXXXX queue XXXXXX)

Errors from Target event_log:

Notice   2013-03-06 14:35:39.404000 16796 2784 Import: Maximum number of queues already exist  (importing from XXXXXX queue XXXXXX) [module que]
Notice   2013-03-06 14:35:39.404000 16796 2784 Import: Shutdown SharePlex and increase the SP_QUE_MAX_QUEUES parameter  (importing from XXXXXX queue XXXXXX) [module que]
Error    2013-03-06 14:35:39.404000 16796 2784 Import: Error add user queue rv=16 que_adduser(filehandle+P+o.olt1-o.oltp14,+PI+XXXXXX+sp_mport+0x0a37501b) (importing from XXXXXX queue XXXXXX) [module rim]
Info     2013-03-06 14:35:42.414000 12940 10844 Import exited with code=1, pid = 8236  (importing from XXXXXX queue XXXXXX)
Info     2013-03-06 14:40:39.941000 1808 13932 Import launched, pid = 1808 (importing from XXXXXX queue XXXXXX)