Seeing LCB_ERR_TIMEOUT in Capella XDCR runs

In this Capella XDCR runs, there are several warning messages. I open this ticket to track the investigation.

2024-02-22T01:49:04 [WARNING] Unexpected exception in XdcrLag: <Key='xdcr-2678bb07abcac6d17039be0e9b141a84e9e1', RC=0xC9[LCB_ERR_TIMEOUT (201)], Operational Error, Results=1, C Source=(src/multiresult.c,312), Context={'status_code': 4, 'opaque': 6660, 'cas': 0, 'key': 'xdcr-2678bb07abcac6d17039be0e9b141a84e9e1', 'bucket': 'bucket-1', 'collection': '_default', 'scope': '_default', 'context': '', 'ref': '', 'endpoint': 'svc-d-node-003.fisb21ie0tl8gxn.sandbox.nonprod-project-avengers.com:11207', 'type': 'KVErrorContext'}, Tracing Output={"xdcr-2678bb07abcac6d17039be0e9b141a84e9e1": {"s": "kv:Unknown", "c": "c007e5c1eeb63fae/3b24014b5039be56", "i": 14041721024417608010, "b": "bucket-1", "l": "172.23.96.86:35284", "r": "svc-d-node-003.fisb21ie0tl8gxn.sandbox.nonprod-project-avengers.com:11207", "t": 2500000, "debug_info": {"FILE": "src/callbacks.c", "FUNC": "value_callback", "LINE": 849}}}>

Build: 7.6.0-2149

Job: https://perf.jenkins.couchbase.com/job/CapellaGCPWeekly/78/console

Logs:

s3://cb-customers-secure/team-performance/2024-02-22/collectinfo-2024-02-22t023545-ns_1@svc-d-node-001.mtl79qazp-siaw1t.sandbox.nonprod-project-avengers.com-redacted-823a024013476373.zip
s3://cb-customers-secure/team-performance/2024-02-22/collectinfo-2024-02-22t023545-ns_1@svc-d-node-002.mtl79qazp-siaw1t.sandbox.nonprod-project-avengers.com-redacted-02a28279fb832805.zip
s3://cb-customers-secure/team-performance/2024-02-22/collectinfo-2024-02-22t023545-ns_1@svc-d-node-003.mtl79qazp-siaw1t.sandbox.nonprod-project-avengers.com-redacted-82da505fcd1f55ab.zi
s3://cb-customers-secure/team-performance/2024-02-22/collectinfo-2024-02-22t023546-ns_1@svc-d-node-001.fisb21ie0tl8gxn.sandbox.nonprod-project-avengers.com-redacted-2e4f3ce66464fda5.zip
s3://cb-customers-secure/team-performance/2024-02-22/collectinfo-2024-02-22t023546-ns_1@svc-d-node-002.fisb21ie0tl8gxn.sandbox.nonprod-project-avengers.com-redacted-41d2a712a7c50752.zip
s3://cb-customers-secure/team-performance/2024-02-22/collectinfo-2024-02-22t023546-ns_1@svc-d-node-003.fisb21ie0tl8gxn.sandbox.nonprod-project-avengers.com-redacted-54d8c56830172355.zip