Latest RHEL 8.2 ipmitool is incompatible with some server platforms

Issue

• Ironic is no longer able to manage Cisco UCS servers after upgrade
• ipmitool-1.8.18-14 switched to different default Cipher Suite

• ipmitool fails to communicate with baremetal node:

  $ ipmitool -I lanplus -H 192.168.1.1 -P "${IPMI_PASS}" -U "${IPMI_USER}" power status
  Set Session Privilege Level to ADMINISTRATOR failed
  Error: Unable to establish IPMI v2 / RMCP+ session
  Close Session command failed