Upgrade grid and rdbms from 12c to 19c - listener issue - 2 node rac

Hi Experts,

After upgrading grid and rdbms from 12c to 19c - listener getting started from 12 home.

[griduat@erpuatdb1 ~]$ srvctl stop listener -listener LISTENER_UATDB -node erpuatdb1
PRCC-1017 : LISTENER_UATDB was already stopped on erpuatdb1
PRCR-1005 : Resource ora.LISTENER_UATDB.lsnr is already stopped

[griduat@erpuatdb1 ~]$ srvctl start listener -listener LISTENER_UATDB -node erpuatdb1
[griduat@erpuatdb1 ~]$ ps -ef|grep -i lsnr
orauat 4663 1 0 09:53 ? 00:00:00 /u02/UATDB/12.1.0/bin/tnslsnr LISTENER_UATDB -no_crs_notify -inherit
griduat 4775 3982 0 09:53 pts/1 00:00:00 grep --color=auto -i lsnr
griduat 23799 1 0 Jan23 ? 00:01:19 /u01/UAT/db/GRIDHOME/bin/tnslsnr ASMNET1LSNR_ASM -no_crs_notify -inherit
griduat 24364 1 0 Jan23 ? 00:00:13 /u01/UAT/db/GRIDHOME/bin/tnslsnr MGMTLSNR -no_crs_notify -inherit
griduat 24484 1 0 Jan23 ? 00:00:14 /u01/UAT/db/GRIDHOME/bin/tnslsnr LISTENER_SCAN3 -no_crs_notify -inherit
griduat