Updated docstring #14484
Merge branch 'develop' of https://github.com/saltstack/salt into upstream
Merge pull request #14549 from scott-w/upstream

Update documentation on rabbitmq_user
cleanup string formatting in modules.cmdmod

************* Module salt.modules.cmdmod
salt/modules/cmdmod.py:253: [E1305(too-many-format-args), _run] Too many arguments for format string
cleanup string formatting in modules.iptables

************* Module salt.modules.iptables
salt/modules/iptables.py:489: [E1305(too-many-format-args), check] Too many arguments for format string
salt/modules/iptables.py:527: [E1305(too-many-format-args), check_chain] Too many arguments for format string
states.dockerio.running(): fix string formatting in error message

************* Module salt.states.dockerio
salt/states/dockerio.py:733: [E1305(too-many-format-args), running] Too many arguments for format string
Merge pull request #14567 from hulu/cmdmod-str-fmt

cleanup string formatting in modules.cmdmod
Merge pull request #14574 from hulu/dockerio-str-fmt

states.dockerio.running(): fix string formatting in error message
Merge pull request #14572 from hulu/iptables-str-fmt-fixes

cleanup string formatting in modules.iptables
closes #14544