Jewel -> Luminous: can't decode unknown message type 1544 MSG_AUTH=17

[Rudenko Aleksandr <ARudenko@xxxxxxx>]

Hi, friends.

I updated cluster from Hammer(0.94.10) to Jewel(10.2.10) recently an all works fine.

Now, i can't update cluster from Jewel to Luminous(12.2.5).

I have 5 MONs.

I updated packages, restarted MON service but MON didn't joined to cluster.

In logs of new MON i see:

7f53bc797700  0 -- 192.168.144.96:6789/0 >> 192.168.144.6:6789/0 conn(0x7f53cf48e800 :-1 s=STATE_OPEN pgs=7342571 cs=1 l=0).fault initiating reconnect
7f53bc797700  0 -- 192.168.144.96:6789/0 >> 192.168.144.6:6789/0 conn(0x7f53cf48e800 :-1 s=STATE_OPEN pgs=7342573 cs=3 l=0).fault initiating reconnect

in logs of current active MON i see:

7f5415beb700 10 mon.e@0(leader) e14 ms_verify_authorizer 192.168.144.96:6789/0 mon protocol 2
2018-06-09 19:55:14.979566 7f5415beb700  0 -- 192.168.144.6:6789/0 >> 192.168.144.96:6789/0 pipe(0x7f542d934000 sd=8 :6789 s=0 pgs=0 cs=0 l=0 c=0x7f542d99db00).accept connect_seq 24080 vs existing 24079 state
 standby
7f54178f3700 10 mon.e@0(leader) e14 ms_handle_reset 0x7f542d99db00 192.168.144.96:6789/0
7f5415beb700  0 can't decode unknown message type 1544 MSG_AUTH=17
7f5415beb700  0 -- 192.168.144.6:6789/0 >> 192.168.144.96:6789/0 pipe(0x7f542d934000 sd=8 :6789 s=2 pgs=6779228 cs=24081 l=0 c=0x7f542ca94a00).fault with nothing to send, going to s
tandby

and some times this:

7fc6ddb8b700  0 mon.e@0(leader) e8 ms_verify_authorizer cephx enabled, but no authorizer (required for mon)
7fc6ddb8b700  0 -- 192.168.144.6:6789/0 >> 192.168.144.94:6789/0 pipe(0x7fc6ff23e000 sd=12 :6789 s=0 pgs=0 cs=0 l=0 c=0x7fc6fb237800).accept: got bad authorizer

I naven't reproduce this in test environment. I tested update 
Hammer->Jewel-Luminous many times in different setups and always all 
was fine.
Any recommendation, please.

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