3265077 - Cannot startup listener for FM as subnet mask is wrong - SAP ASE

• The following message/error are seen in dev_sybdbfm.log

2022 09/27 14:43:17.828 (272929) read password from secstore rc (0)
2022 09/27 14:43:17.828 (272929) executing: asehostctrl -host <hostname> -user sapadm ******** -function LiveDatabaseUpdate -dbname <sid> -dbtype syb -dbinstance <sid> -timeout 30 -updatemethod Execute -updateoption TASK=ADD_IP_ADDRESS -updateoption INTERFACE_NAME=eth0 -updateoption ADDRESS_FAMILY=ipv4 -updateoption ADDRESS=<virtual IP>/8 .

2022 09/27 20:08:41.520 (766933) executing: asehostctrl -host <hostname> -user sapadm ******** -function LiveDatabaseUpdate -dbname <sid>-dbtype syb -dbinstance <sid> -timeout 30 -updatemethod Execute -updateoption TASK=START_LISTENER -updateoption DBSERVER=<virtual IP>/32 -updateoption DBPORT=5000 .
2022 09/27 20:08:41.520 (766933) starting control call 7FF6F12B6700.
2022 09/27 20:08:41.786 (766933) dump_binary: (247):'7FF6E80E7CB0' 

2022 09/27 20:08:41.787 (766933) (0,100):'436F6D6D616E6420657865637574696F6E206661696C65642E203A20536572766572206D6573736167653A204E756D6265722031353933362C2053657665726974792031362C20537461746520312C204C696E65203130372C2053657276657220504F33' 

2022 09/27 20:08:41.787 (766933) (100,200):'2C2050726F6365647572652073705F6C697374656E6572202D2D2D204D65737361676520737472696E673A20416E206572726F722077617320656E636F756E7465726564207768656E207374617274696E672061206C697374656E657220776974682070' 

2022 09/27 20:08:41.787 (766933) (200,247):'726F746F636F6C207463702C20686F737420706F64622D7072642D6173652F33322C20706F727420353030302E202E' 

2022 09/27 20:08:41.787 (766933) Error: Command execution failed. : Server message: Number 15936, Severity 16, State 1, Line 107, Server <sid>, Procedure sp_listener --- Message string: An error was encountered when starting a listener with protocol tcp, host <virtual IP>/32, port 5000. . (fault code: 127)

• In liveupdate.log

2022 Sep 27 14:43:17  == LiveUpdate started == 
2022 Sep 27 14:43:17  TASK_NAME=GET_IP_ADDRESS_PROPERTIES
2022 Sep 27 14:43:17  GET_IP_ADDRESS_PROPERTIES=
2022 Sep 27 14:43:17  GET_IP_ADDRESS_PROPERTIES=Please enter password for user sapadm: 
2022 Sep 27 14:43:17  GET_IP_ADDRESS_PROPERTIES=No address <virtual IP> with ipv4 address family assigned to any network interface is found.

2022 Sep 27 14:43:18  == LiveUpdate started == 
2022 Sep 27 14:43:18  TASK_NAME=ADD_IP_ADDRESS
2022 Sep 27 14:43:18  ADD_IP_ADDRESS=
2022 Sep 27 14:43:18  ADD_IP_ADDRESS=Please enter password for user sapadm: 
2022 Sep 27 14:43:18  ADD_IP_ADDRESS=<virtual IP>/8 is succesfully added.

• IP address is "<virtual IP>/32" on OS route table 
• Parameter "ha/syb/vdbhost = <virtual IP>/32" is set  in SYBHA.PFL 

• SAP Adaptive Server Enterprise (ASE) 16.0
• HADR

KBA , BC-SYB-REP-SAP , Replication with SAP Suite / SAP BW , Problem