1 doc missing when we deploy multiple functions with timers + eventing reblance

./testrunner -i /tmp/testexec.13858.ini -p get-cbcollect-info=True,GROUP=rebalance_multi,num_functions=5 -t eventing.eventing_rebalance.EventingRebalance.test_kv_eventing_rebalance_with_multiple_functions_deployed,nodes_init=7,services_init=kv-kv-kv-eventing-eventing-eventing-index:n1ql,dataset=default,groups=simple,reset_services=True,doc-per-day=1,services_in=index,n1ql,server_out=2,handler_code=bucket_op_with_doc_timer_rand,skip_validation=False,GROUP=rebalance_multi

Exception: Bucket operations from handler code took lot of time to complete or didn't go through. Current : 10079 Expected : 10080  dcp_backlog : 0  TIMERS_IN_PAST : 0 lcb_exceptions : {'172.23.104.231': {}, '172.23.104.235': {}, '172.23.104.234': {}}