Rebalance exited with reason bulk_set_vbucket_state_failed exit timeout

1 node rebalancing in 2 nodes, 1M items and goes loading, 11 ddocs indexing, queries running
Rebalance exited with reason {{bulk_set_vbucket_state_failed,
[{'ns_1@10.3.121.17',
{'EXIT',
{timeout,
{gen_server,call,
[

{'janitor_agent-bucket-0', 'ns_1@10.3.121.17'}

,
{if_rebalance,<0.7759.4>,
{update_vbucket_state,444,replica,
undefined,'ns_1@10.3.121.20'}},
60000]}}}}]},
[

{janitor_agent,bulk_set_vbucket_state,4}

,

{ns_vbucket_mover, update_replication_post_move,3}

,

{ns_vbucket_mover,handle_info,2}

,

{gen_server,handle_msg,5}

,

{proc_lib,init_p_do_apply,3}

]}