Rebalance fails with CBAS after upgrading to latest 7.1 Re

Env
2 Node Cluster running all services on-prem on Couchbase VMs.
OS: Ubuntu 20.04
No Firewalls

Action
Upgraded to Enterprise Edition 7.1.0 build 2506 
Nodes had to be Rebalanced (button enabled).
Performed Rebalance

Result
Gets stuck in trying to Rebalance Analytics for 5 minutes and Fails

Report
{
"data": {
"stageInfo": {
"backup":

{ "startTime": false, "completedTime": false, "timeTaken": false }

,
"analytics": {
"startTime": "2022-03-24T00:13:28.331Z",
"completedTime": false,
"timeTaken": 300078
},
"eventing": {
"startTime": false,
"completedTime": false,
"timeTaken": false
},
"search": {
"totalProgress": 100,
"perNodeProgress":

{ "ns_1@172.23.120.94": 1, "ns_1@172.23.120.57": 1 }

,
"startTime": "2022-03-24T00:13:26.798Z",
"completedTime": "2022-03-24T00:13:26.942Z",
"timeTaken": 144
},
"index": {
"totalProgress": 100,
"perNodeProgress":

{ "ns_1@172.23.120.94": 1, "ns_1@172.23.120.57": 1 }

,
"startTime": "2022-03-24T00:13:26.942Z",
"completedTime": "2022-03-24T00:13:28.331Z",
"timeTaken": 1389
},
"data": {
"totalProgress": 100,
"perNodeProgress":

{ "ns_1@172.23.120.94": 1, "ns_1@172.23.120.57": 1 }

,
"startTime": "2022-03-24T00:13:24.418Z",
"completedTime": "2022-03-24T00:13:26.798Z",
"timeTaken": 2380
},
"query": {
"startTime": false,
"completedTime": false,
"timeTaken": false
}
},
"rebalanceId": "bb6f9e13b6444fb91f29170996980b0b",
"nodesInfo": {
"active_nodes": [
"ns_1@172.23.120.57",
"ns_1@172.23.120.94"
],
"keep_nodes": [
"ns_1@172.23.120.57",
"ns_1@172.23.120.94"
],
"eject_nodes": [],
"delta_nodes": [],
"failed_nodes": []
},
"masterNode": "ns_1@172.23.120.94",
"startTime": "2022-03-24T00:13:24.413Z",
"completedTime": "2022-03-24T00:18:28.409Z",
"timeTaken": 303996,
"completionMessage": "Rebalance exited with reason {service_rebalance_failed,cbas,\n {worker_died,\n {'EXIT',<0.18736.4>,\n {rebalance_failed,\n

{service_error,\n <<\"wait for condition on http://172.23.120.57:9111/analytics/cluster timed out\">>}

}}}}."
},
"status": 200,
"config": {
"method": "GET",
"transformRequest": [
null
],
"transformResponse": [
null
],
"jsonpCallbackParam": "callback",
"url": "/logs/rebalanceReport",
"cache": true,
"headers":

{ "Accept": "application/json, text/plain, */*", "invalid-auth-response": "on", "Cache-Control": "no-cache", "Pragma": "no-cache", "ns-server-ui": "yes" }

,
"timeout": {
"$$state": {
"status": 0,
"pending": [
[
{
"$$state":

{ "status": 0 }

},
null,
null,
null
]
]
}
}
},
"statusText": "OK",
"xhrStatus": "complete"
}