Getting pam_selinux(sshd:session): Unable to get valid context for user through ssh when selinux is enabled

Issue

• Getting Unable to get valid context for <user> warning when user logging in through ssh:

  ssh server1
  user1@server1's password:
  Unable to get valid context for user1
  Last login: Tue Aug 30 13:47:59 2019 from server2
  Connection to server1 closed.
  

• This kind of message can be found in the /var/log/secure file:

  Aug 30 13:57:35 server1 sshd[1935]: pam_selinux(sshd:session): Unable to get valid context for user1