Unable to run GCORE command inside contrai container

Issue

• When we run the gcore command we get the following error:

(analytics-collector)[root@overcloud-contrailcontroller-0 /]$ gcore 1
ptrace: Operation not permitted.
You can't do that without a process to debug.
The program is not being run.
gcore: failed to create core.1

• We have added the capability to the container with following steps :
  1) Edited the /var/lib/tripleo-config/hashed-docker-container-startup-config-step_5.json and added capability to collector section

    "cap_add": [
      "SYS_PTRACE"
    ],

2) Ran paunch:

sudo paunch --debug apply --managed-by paunch --config-id tripleo_step5 --file /var/lib/tripleo-config/hashed-docker-container-startup-config-step_5.json

• Can you provide me the correct steps to follow to add the SYS_PTRACE capability to a container in RHSOP 13 environment ?