Comment 4 for bug 2002465

Digging further, it does appear that the initially bootstrapped master is broken somehow:
```
2023-05-07 15:06:46 0 [Warning] WSREP: Quorum: No node with complete state:

 Version : 6
 Flags : 0x1
 Protocols : 2 / 10 / 4
 State : NON-PRIMARY
 Desync count : 0
 Prim state : NON-PRIMARY
 Prim UUID : 00000000-0000-0000-0000-000000000000
 Prim seqno : -1
 First seqno : -1
 Last seqno : -1
 Commit cut : -1
 Last vote : -1.0
 Vote policy : 0
 Prim JOINED : 0
 State UUID : c91ea93c-ece8-11ed-bcbd-d37542ae8d5e
 Group UUID : 00000000-0000-0000-0000-000000000000
 Name : 'mgr02'
 Incoming addr: '10.217.122.12:3306'

 Version : 6
 Flags : 0x2
 Protocols : 2 / 10 / 4
 State : NON-PRIMARY
 Desync count : 0
 Prim state : SYNCED
 Prim UUID : 5d5b432a-ece8-11ed-9285-be6bf8d043bf
 Prim seqno : 4
 First seqno : 1
 Last seqno : 4
 Commit cut : 0
 Last vote : -1.0
 Vote policy : 0
 Prim JOINED : 1
 State UUID : c91ea93c-ece8-11ed-bcbd-d37542ae8d5e
 Group UUID : 78a25580-ece7-11ed-863d-5af2d3394150
 Name : 'mgr00'
 Incoming addr: '10.217.122.10:3306'
```
^^ is what happens after the replication error on initial bootstrap of a slave, and that slave is restarted

The donor, being restarted after the two slaves fail to come up, is aware of them but can't figure out which one is primary:
```
023-05-07 20:47:51 0 [Note] WSREP: STATE EXCHANGE: got state msg: 6f57006e-ed18-11ed-9165-5f46e7399b53 from 1 (mgr00)
2023-05-07 20:47:51 0 [Warning] WSREP: Quorum: No node with complete state:

 Version : 6
 Flags : 0x1
 Protocols : 2 / 10 / 4
 State : NON-PRIMARY
 Desync count : 0
 Prim state : PRIMARY
 Prim UUID : cc9462f9-ed16-11ed-8544-d3da5d985617
 Prim seqno : 5
 First seqno : -1
 Last seqno : 5
 Commit cut : 0
 Last vote : -1.0
 Vote policy : 0
 Prim JOINED : 1
 State UUID : 6f57006e-ed18-11ed-9165-5f46e7399b53
 Group UUID : 2d143fa4-ed15-11ed-b1b9-03a39ef3932a
 Name : 'mgr01'
 Incoming addr: '10.217.122.11:3306'

 Version : 6
 Flags : 00
 Protocols : 2 / 10 / 4
 State : NON-PRIMARY
 Desync count : 0
 Prim state : NON-PRIMARY
 Prim UUID : 00000000-0000-0000-0000-000000000000
 Prim seqno : -1
 First seqno : 1
 Last seqno : 5
 Commit cut : 5
 Last vote : -1.0
 Vote policy : 0
 Prim JOINED : 0
 State UUID : 6f57006e-ed18-11ed-9165-5f46e7399b53
 Group UUID : 2d143fa4-ed15-11ed-b1b9-03a39ef3932a
 Name : 'mgr00'
 Incoming addr: '10.217.122.10:3306'

 Version : 6
 Flags : 00
 Protocols : 2 / 10 / 4
 State : NON-PRIMARY
 Desync count : 0
 Prim state : PRIMARY
 Prim UUID : cc9462f9-ed16-11ed-8544-d3da5d985617
 Prim seqno : 5
 First seqno : -1
 Last seqno : 5
 Commit cut : 0
 Last vote : -1.0
 Vote policy : 0
 Prim JOINED : 1
 State UUID : 6f57006e-ed18-11ed-9165-5f46e7399b53
 Group UUID : 2d143fa4-ed15-11ed-b1b9-03a39ef3932a
 Name : 'mgr02'
 Incoming addr: '10.217.122.12:3306'

2023-05-07 20:47:51 0 [Warning] WSREP: No re-merged primary component found.
2023-05-07 20:47:51 0 [Warning] WSREP: No bootstrapped primary component found.
2023-05-07 20:47:51 0 [ERROR] WSREP: ./gcs/src/gcs_state_msg.cpp:gcs_state_msg_get_quorum():947: Failed to establish quorum.
2023-05-07 20:47:51 0 [Note] WSREP: Quorum results:
 version = 6,
 component = NON-PRIMARY,
 conf_id = -1,
 members = 0/3 (joined/total),
 act_id = -1,
 last_appl. = 5,
 protocols = -1/-1/-1 (gcs/repl/appl),
 vote policy= 1,
 group UUID = 00000000-0000-0000-0000-000000000000
2023-05-07 20:47:51 0 [Note] WSREP: Flow-control interval: [28, 28]
2023-05-07 20:47:51 0 [Note] WSREP: Received NON-PRIMARY.
```

This happens whether haproxy is enabled or not, ditto proxysql.