Eventing: Rebalance (hung) hovering between 38% to 73% for almost more than 45 mins

 ./testrunner -i /tmp/testexec.5842.ini -p get-cbcollect-info=True,GROUP=bucket_op,skip_log_scan=False,bucket_storage=couchstore -t eventing.eventing_rebalance_collection.EventingRebalanceCollection.test_eventing_rebalance_out_delete_recreate_collections,nodes_init=6,services_init=kv-eventing-eventing-eventing-index-n1ql,dataset=default,groups=simple,reset_services=True,doc-per-day=20,GROUP=bucket_op,java_sdk_client=True

[2021-05-03 05:28:13,822] - [rest_client:1895] INFO - rebalance percentage : 73.00 %

[2021-05-03 05:28:13,822] - [task:839] INFO - Rebalance - status: running, progress: 73.00%

[2021-05-03 05:28:33,859] - [rest_client:1895] INFO - rebalance percentage : 53.00 %

[2021-05-03 05:28:33,860] - [task:839] INFO - Rebalance - status: running, progress: 53.00%

[2021-05-03 05:28:53,895] - [rest_client:1895] INFO - rebalance percentage : 43.00 %

[2021-05-03 05:28:53,895] - [task:839] INFO - Rebalance - status: running, progress: 43.00%

[2021-05-03 05:29:13,931] - [rest_client:1895] INFO - rebalance percentage : 38.00 %

[2021-05-03 05:29:13,931] - [task:839] INFO - Rebalance - status: running, progress: 38.00%

[2021-05-03 05:29:33,965] - [rest_client:1895] INFO - rebalance percentage : 58.00 %

[2021-05-03 05:29:33,966] - [task:839] INFO - Rebalance - status: running, progress: 58.00%

[2021-05-03 05:29:53,996] - [rest_client:1895] INFO - rebalance percentage : 63.00 %

[2021-05-03 05:29:53,996] - [task:839] INFO - Rebalance - status: running, progress: 63.00%

[2021-05-03 05:30:14,034] - [rest_client:1895] INFO - rebalance percentage : 68.00 %

[2021-05-03 05:30:14,034] - [task:839] INFO - Rebalance - status: running, progress: 68.00%

[2021-05-03 05:30:34,069] - [rest_client:1895] INFO - rebalance percentage : 63.00 %

[2021-05-03 05:30:34,069] - [task:839] INFO - Rebalance - status: running, progress: 63.00%

[2021-05-03 05:30:54,104] - [rest_client:1895] INFO - rebalance percentage : 53.00 %

[2021-05-03 05:30:54,104] - [task:839] INFO - Rebalance - status: running, progress: 53.00%

[2021-05-03 05:31:14,133] - [rest_client:1895] INFO - rebalance percentage : 43.00 %

[2021-05-03 05:31:14,133] - [task:839] INFO - Rebalance - status: running, progress: 43.00%

[2021-05-03 05:31:34,168] - [rest_client:1895] INFO - rebalance percentage : 38.00 %

[2021-05-03 05:31:34,168] - [task:839] INFO - Rebalance - status: running, progress: 38.00%

[2021-05-03 05:31:54,204] - [rest_client:1895] INFO - rebalance percentage : 48.00 %

[2021-05-03 05:31:54,204] - [task:839] INFO - Rebalance - status: running, progress: 48.00%

[2021-05-03 05:32:14,241] - [rest_client:1895] INFO - rebalance percentage : 53.00 %

[2021-05-03 05:32:14,242] - [task:839] INFO - Rebalance - status: running, progress: 53.00%

[2021-05-03 05:32:34,277] - [rest_client:1895] INFO - rebalance percentage : 63.00 %

[2021-05-03 05:32:34,277] - [task:839] INFO - Rebalance - status: running, progress: 63.00%

[2021-05-03 05:32:54,314] - [rest_client:1895] INFO - rebalance percentage : 58.00 %

[2021-05-03 05:32:54,315] - [task:839] INFO - Rebalance - status: running, progress: 58.00%

[2021-05-03 05:33:14,342] - [rest_client:1895] INFO - rebalance percentage : 48.00 %

[2021-05-03 05:33:14,342] - [task:839] INFO - Rebalance - status: running, progress: 48.00%

[2021-05-03 05:33:34,377] - [rest_client:1895] INFO - rebalance percentage : 38.00 %

[2021-05-03 05:33:34,377] - [task:839] INFO - Rebalance - status: running, progress: 38.00%

[2021-05-03 05:33:54,417] - [rest_client:1895] INFO - rebalance percentage : 48.00 %

[2021-05-03 05:33:54,417] - [task:839] INFO - Rebalance - status: running, progress: 48.00%

[2021-05-03 05:34:14,455] - [rest_client:1895] INFO - rebalance percentage : 63.00 %

[2021-05-03 05:34:14,456] - [task:839] INFO - Rebalance - status: running, progress: 63.00%