1. Create Pod with following YAML which has activeDeadlineSeconds set

apiVersion: v1
kind: Pod
metadata:
  name: init-deadline
spec:
  containers:
  - name: hello-pod
    image: docker.io/ocpqe/hello-pod
    ports:
    - containerPort: 80
    volumeMounts:
    - name: workdir
      mountPath: /usr/share/nginx/html
  initContainers:
  - name: init
    image: centos:centos7
    command:
    - /bin/sh
    - "-c"
    - "sleep 30"
  activeDeadlineSeconds: 15
  volumes:
  - name: workdir
    emptyDir: {}

2. Check details on Pod details page, it shows    

Active Deadline Seconds
15 seconds


Verified on     4.4.0-0.nightly-2020-04-09-194724

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-2020:0581