Comment 7 for bug 1916860

The UA customer tried all options in the cipher suite drop-down list, but no luck.
The customer also found different behaviors of 'ipmitool lan print' between before/after adding the Lenovo x3650 M5 into MAAS.

Pre-enlistment:

root@bionic-maas:~# ipmitool -I lanplus -H 100.88.20.2 -U USERID -P PASSW0RD lan print
Set in Progress : Set Complete
Auth Type Support : NONE MD5 PASSWORD
Auth Type Enable : Callback :
                        : User : MD5 PASSWORD
                        : Operator : MD5 PASSWORD
                        : Admin : MD5 PASSWORD
                        : OEM :
IP Address Source : Static Address
IP Address : 100.88.20.2
Subnet Mask : 255.255.255.0
MAC Address : 08:94:ef:48:f0:55
SNMP Community String : public
IP Header : TTL=0x40 Flags=0x40 Precedence=0x00 TOS=0x10
BMC ARP Control : ARP Responses Enabled, Gratuitous ARP Disabled
Gratituous ARP Intrvl : 2.0 seconds
Default Gateway IP : 100.88.20.254
Default Gateway MAC : 00:00:00:00:00:00
Backup Gateway IP : 0.0.0.0
Backup Gateway MAC : 00:00:00:00:00:00
802.1q VLAN ID : Disabled
802.1q VLAN Priority : 0
RMCP+ Cipher Suites : 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16
Cipher Suite Priv Max : aaaaaaaaaaaaaaa
                        : X=Cipher Suite Unused
                        : c=CALLBACK
                        : u=USER
                        : o=OPERATOR
                        : a=ADMIN
                        : O=OEM
Bad Password Threshold : 0
Invalid password disable: no
Attempt Count Reset Int.: 0
User Lockout Interval : 0

Post-enlistment:

root@bionic-maas:~# ipmitool -I lanplus -H 100.88.20.2 -U USERID -P PASSW0RD lan print -vvv

>> Sending IPMI command payload
>> netfn : 0x06
>> command : 0x38
>> data : 0x8e 0x04

BUILDING A v1.5 COMMAND
>> IPMI Request Session Header
>> Authtype : NONE
>> Sequence : 0x00000000
>> Session ID : 0x00000000
>> IPMI Request Message Header
>> Rs Addr : 20
>> NetFn : 06
>> Rs LUN : 0
>> Rq Addr : 81
>> Rq Seq : 00
>> Rq Lun : 0
>> Command : 38
<< IPMI Response Session Header
<< Authtype : NONE
<< Payload type : IPMI (0)
<< Session ID : 0x00000000
<< Sequence : 0x00000000
<< IPMI Msg/Payload Length : 16
<< IPMI Response Message Header
<< Rq Addr : 81
<< NetFn : 07
<< Rq LUN : 0
<< Rs Addr : 20
<< Rq Seq : 00
<< Rs Lun : 0
<< Command : 38
<< Compl Code : 0x00
>> SENDING AN OPEN SESSION REQUEST

<<OPEN SESSION RESPONSE
<< Message tag : 0x00
<< RMCP+ status : no matching cipher suite
<< Maximum privilege level : Unknown (0x00)
<< Console Session ID : 0xa0a2a3a4
Error in open session response message : no matching cipher suite

Error: Unable to establish IPMI v2 / RMCP+ session