Performing leapp preupgrade using Red Hat Satellite 6 WebUI fails with sudo: 3 incorrect password attempts

Issue

• Performing a leapp preupgrade using Red Hat Satellite 6 WebUI failed with below error:

  - output_type: stdout
  output: 'rex login: '
  timestamp: 1679487125.4021235
  - output_type: stdout
  output: "\n"
  timestamp: 1679487126.4043727
  - output_type: stdout
  output: "Sorry, try again.\nrex login: "
  timestamp: 1679487127.406721
  - output_type: stdout
  output: "\n"
  timestamp: 1679487128.4089453
  - output_type: stdout
  output: "Sorry, try again.\nrex login: "
  timestamp: 1679487129.4109786
  - output_type: stdout
  output: "\n"
  timestamp: 1679487130.4132292
  - output_type: stdout
  output: 'sudo: 3 incorrect password attempts