Default placement of Octavia services in a composable role deployment is incorrect. Octavia health manager, worker and housekeeping services belong to networker nodes and presently are set to run on controller nodes.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2020:0760