1. Create a 4 node cluster with all services enabled.
2. Import all the sample buckets.
3. Enable TLS on 6.6.5 using following commands.
4. Disable TLS
5. Do a graceful failover of one node(172.23.136.142).
6. Do delta recovery of that node and rebalance.
Rebalance failed as shown below.
cbcollect_info attached. Retry of the failed rebalance worked fine.