Description of problem:
This should be the same issue as https://bugzilla.redhat.com/show_bug.cgi?id=1783846 reported in 4.3.
In latest 4.4 puddle, it's still conmon-2.0.3-1.el7.x86_64.rpm 


Scaling-up RHEL worker to an existing 4.4 cluster, but the playbook failed at:

TASK [openshift_node : Wait for nodes to report ready] *************************
Tuesday 11 February 2020  11:07:43 +0800 (0:00:11.434)       0:08:44.158 ****** 
FAILED - RETRYING: Wait for nodes to report ready (36 retries left).
FAILED - RETRYING: Wait for nodes to report ready (35 retries left).
FAILED - RETRYING: Wait for nodes to report ready (34 retries left).
FAILED - RETRYING: Wait for nodes to report ready (33 retries left).
...
FAILED - RETRYING: Wait for nodes to report ready (2 retries left).
FAILED - RETRYING: Wait for nodes to report ready (1 retries left).
failed: [ip-10-0-60-42.us-east-2.compute.internal -> localhost] (item=ip-10-0-60-42.us-east-2.compute.internal) => {"ansible_loop_var": "item", "attempts": 36, "changed": true, "cmd": ["oc", "get", "node", "ip-10-0-60-42.us-east-2.compute.internal", "--config=/tmp/installer-Yg5_Ef/auth/kubeconfig", "--output=jsonpath={.status.conditions[?(@.type==\"Ready\")].status}"], "delta": "0:00:01.243624", "end": "2020-02-11 11:10:57.864377", "item": "ip-10-0-60-42.us-east-2.compute.internal", "rc": 0, "start": "2020-02-11 11:10:56.620753", "stderr": "", "stderr_lines": [], "stdout": "False", "stdout_lines": ["False"]}


Log into the RHEL worker, check the cri-o status
[root@ip-10-0-60-42 ec2-user]# systemctl status crio
● crio.service - Open Container Initiative Daemon
   Loaded: loaded (/usr/lib/systemd/system/crio.service; enabled; vendor preset: disabled)
  Drop-In: /etc/systemd/system/crio.service.d
           └─10-default-env.conf
   Active: active (running) since Tue 2020-02-11 03:07:13 UTC; 2h 30min ago
     Docs: https://github.com/cri-o/cri-o
 Main PID: 2219 (crio)
   Memory: 72.6M
   CGroup: /system.slice/crio.service
           └─2219 /usr/bin/crio --enable-metrics=true --metrics-port=9537

Feb 11 05:37:23 ip-10-0-60-42.us-east-2.compute.internal crio[2219]: conmon: option parsing failed: Unknown option --persist-dir
Feb 11 05:37:26 ip-10-0-60-42.us-east-2.compute.internal crio[2219]: conmon: option parsing failed: Unknown option --persist-dir
Feb 11 05:37:26 ip-10-0-60-42.us-east-2.compute.internal crio[2219]: conmon: option parsing failed: Unknown option --persist-dir
Feb 11 05:37:29 ip-10-0-60-42.us-east-2.compute.internal crio[2219]: conmon: option parsing failed: Unknown option --persist-dir
Feb 11 05:37:30 ip-10-0-60-42.us-east-2.compute.internal crio[2219]: conmon: option parsing failed: Unknown option --persist-dir
Feb 11 05:37:36 ip-10-0-60-42.us-east-2.compute.internal crio[2219]: conmon: option parsing failed: Unknown option --persist-dir
Feb 11 05:37:38 ip-10-0-60-42.us-east-2.compute.internal crio[2219]: conmon: option parsing failed: Unknown option --persist-dir
Feb 11 05:37:38 ip-10-0-60-42.us-east-2.compute.internal crio[2219]: conmon: option parsing failed: Unknown option --persist-dir
Feb 11 05:37:43 ip-10-0-60-42.us-east-2.compute.internal crio[2219]: conmon: option parsing failed: Unknown option --persist-dir
Feb 11 05:37:45 ip-10-0-60-42.us-east-2.compute.internal crio[2219]: conmon: option parsing failed: Unknown option --persist-dir



Version-Release number of selected component (if applicable):
cri-o-1.17.0-1.dev.rhaos4.4.git3afd333.el7.x86_64
conmon-2.0.3-1.el7.x86_64

How reproducible:
Always

Actual results:

Expected results:
RHEL worker is joined cluster successfully.

Additional info:
After updating conmon to conmon-2.0.8-2.el7.x86_64, cri-o service is running well and RHEL worker became Ready.