[Magma]MagmaKVStore::makeCompactionContext vb:76 failed to read vbstate from disk

* Created a 3 node cluster(replicas = 1)

* Loaded 10 million items of 250 bytes each

* Added 3 new nodes and triggerd rebalance

* During rebalance new creates and deletions (half of the exisiting elements) was going on

* Rebalance failed with "wait_seqno_persisted-failed"

Rebalance exited with reason {mover_crashed,

{unexpected_exit,

{'EXIT',<0.11003.1>,

{{wait_seqno_persisted_failed,"default",113,

103335,

[{'ns_1@172.23.123.4',

{'EXIT',

{socket_closed,

{gen_server,call,

[{'janitor_agent-default',

'ns_1@172.23.123.4'},

{if_rebalance,<0.30675.0>,

{wait_seqno_persisted,113,103335}},

infinity]}}}}]},

[{ns_single_vbucket_mover,

'-wait_seqno_persisted_many/5-fun-2-',5,

[{file,"src/ns_single_vbucket_mover.erl"},

{line,488}]},

{proc_lib,init_p,3,

[{file,"proc_lib.erl"},{line,232}]}]}}}}.

Rebalance Operation Id = 4505ce790274d9ac95bf8ec4df85672e

./testrunner -i /tmp/ankush.ini  -t rebalance_new.rebalance_in.RebalanceInTests.test_rebalance_in_with_ops,nodes_init=3,nodes_in=3,replicas=1,num_items=10000000,bucket_storage=magma,bucket_eviction_policy=fullEviction,randomize_value=True,vbuckets=128,rerun=false,get-cbcollect-info=True,upgrade_version=7.0.0-2422,skip_cleanup=False