What can case the following problem?
[Warning] WSREP: Failed to prepare for incremental state transfer: Local state UUID (00000000-0000-0000-0000-000000000000) does not match group state UUID (2cd97600-0e4e-11e7-997a-0a414b1bb17e): 1 (Operation not permitted)
at galera/src/replicator_str.cpp:prepare_for_IST():482. IST will be unavailable.
[Note] WSREP: Member 1.0 () requested state transfer from '*any*'.