"The requested self IP (/Common/selfip_1_1) was not found" keeps on showing in LTM logs

Hello, Using BIG-IP VE (v16.1.3.4) on IBM Cloud (pre-built image). Whole system works well except for repeating messages (every 2 s) showing up in /var/log/ltm: Jul 5 07:58:27 bigip-01.qpc err tms...