3123983 - HANA Upgrade fails due to an error "rc=110:Connection timed out"

While upgrading HANA database(HANA 2.0 SPS03 to SPS05), it fails due to an error below.

*** hdblcm.log
16:04:41.105 - INFO: Configuring SAP HANA Database...
16:04:41.105 - INFO: -----------------------------------------------------------
16:04:41.112 - INFO: Starting external program /hana/shared/media/HANA_2.0_SP5REV52/51054623/DATA_UNITS/HDB_SERVER_LINUX_X86_64/hdbupd
16:04:41.112 - INFO: Command line is: /hana/shared/media/HANA_2.0_SP5REV52/51054623/DATA_UNITS/HDB_SERVER_LINUX_X86_64/hdbupd --phase=configure --archive_dir=/hana/shared/media/HANA_2.0_SP5REV52/51054623/DATA_UNITS/HDB_SERVER_LINUX_X86_64/server ................
16:04:42.550 - INFO: Output line 1:
16:04:42.551 - INFO: Output line 2:
16:04:42.551 - INFO: Output line 3: SAP HANA Lifecycle Management - Database Upgrade 2.00.052.00.1599235305
16:04:42.551 - INFO: Output line 4: ***********************************************************************
16:04:42.551 - INFO: Output line 5:
16:04:42.551 - INFO: Output line 6:
16:04:42.625 - INFO: Output line 7: Start reading from input channel...
16:04:42.626 - INFO: Output line 8: ... Done.
16:06:53.270 - INFO: Output line 9: Upgrade failed
16:06:53.270 - INFO: Output line 10: running in batch mode
16:06:53.270 - INFO: Output line 11: Cannot establish database connection
16:06:53.270 - INFO: Output line 12: Connect failed (code = -10709): Connection failed (RTE:[89006] System call 'connect' failed, rc=110:Connection timed out (saphana1234:30013))
16:06:53.270 - INFO: Output line 13:
16:06:53.390 - INFO: Program terminated with exit code 1
16:06:53.391 - ERR : Update of SAP HANA Database failed

And, there is no running process occupying the port(30013).

 HANA 2.0

hdblcm, upgrade, code = -10709, Connection failed, rc=110, Connection timed out , KBA , HAN-LM-UPG-DB , Upgrade of HANA Database , Problem