run.sh shows incorrect chunk_limit_size if changed.

Description of problem:

run.sh shows incorrect chunk_limit_size if changed. 

Version-Release number of selected component (if applicable):

current

How reproducible:

change chunk_limit_size following docs - https://docs.openshift.com/container-platform/4.10/logging/config/cluster-logging-collector.html#cluster-logging-collector-tuning_cluster-logging-collector

view logs in collector pods. 

Actual results:

log output: 
Setting chunk_limit_size for each buffer to 8388608

Expected results:

Setting chunk_limit_size for each buffer to <custom size>

Additional info:

possibly related to  https://bugzilla.redhat.com/show_bug.cgi?id=1904071