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[l vic <lvic4594@xxxxxxxxx>]

I see intermittent failure for some nodes to join cluster (see below):

2016-11-01 17:24:22 140050125105920 [Warning] WSREP: Failed to prepare for
incremental state transfer: Local state UUID
(00000000-0000-0000-0000-000000000000) does not match group state UUID
(fdb9a4a3-a056-11e6-a01d-5a15e8d77e80): 1 (Operation not permitted)
at galera/src/replicator_str.cpp:prepare_for_IST():482. IST will be
unavailable.
2016-11-01 17:24:22 140049819625216 [Note] WSREP: Member 1.0 () requested
state transfer from '*any*'. Selected 0.0 ()(SYNCED) as donor.
2016-11-01 17:24:22 140049819625216 [Note] WSREP: Shifting PRIMARY ->
JOINER (TO: 4)
2016-11-01 17:24:22 140050125105920 [Note] WSREP: Requesting state
transfer: success, donor: 0
2016-11-01 17:24:24 140049819625216 [Warning] WSREP: 0.0 (): State transfer
to 1.0 () failed: -255 (Unknown error 255)
2016-11-01 17:24:24 140049819625216 [ERROR] WSREP:
gcs/src/gcs_group.cpp:gcs_group_handle_join_msg():733: Will never receive
state. Need to abort.


Any idea what the cause can be and how to deal with it?
Thank you,