status stopped by janitor error message during Rebalance

Scenario:
1) 30 nodes cluster
2) Add and remove 18 nodes at the same time (+18 -18)
3) The 4 nodes, are still pending add, even after rebalance was completed.

10.224.111.34
10.224.111.99
10.224.113.96
10.224.114.133

http://ec2-50-17-160-100.compute-1.amazonaws.com:8091/index.html#sec=servers&settingsTabs=1&serversTab=1

Getting teh diags, will attach them here.

From UI:-

Conflicting configuration changes to field nodes_wanted:
[{'_vclock',[{'ns_1@10.101.42.239',{62,63499073848}},
{'ns_1@10.101.45.91',{31,63499073846}},
{'ns_1@10.114.225.102',{18,63499062792}},
{'ns_1@10.114.226.155',{12,63499061481}},
{'ns_1@10.114.226.220',{18,63499062638}},
{'ns_1@10.224.109.59',{30,63499062748}},
{'ns_1@10.224.110.233',{65,63499061385}},
{'ns_1@10.224.117.247',{1,63499067192}},
{'ns_1@10.224.118.136',{1,63499067192}},
{'ns_1@10.224.118.214',{1,63499067192}},
{'ns_1@10.99.17.8',{1,63499067192}},
{'ns_1@10.99.19.107',{148,63499073689}}]},
'ns_1@10.101.42.239','ns_1@10.114.206.74','ns_1@10.114.225.188',
'ns_1@10.114.226.155','ns_1@10.114.227.121','ns_1@10.114.227.165',
'ns_1@10.114.33.152','ns_1@10.114.33.231','ns_1@10.116.117.245',
'ns_1@10.224.109.186','ns_1@10.224.109.59','ns_1@10.224.109.91',
'ns_1@10.224.110.164','ns_1@10.224.110.174','ns_1@10.224.110.175',
'ns_1@10.224.110.185','ns_1@10.224.111.24','ns_1@10.224.111.34',
'ns_1@10.224.111.99','ns_1@10.224.113.59','ns_1@10.224.113.96',
'ns_1@10.224.114.133','ns_1@10.224.115.136','ns_1@10.224.115.50',
'ns_1@10.224.117.243','ns_1@10.224.117.247','ns_1@10.224.117.82',
'ns_1@10.224.118.136','ns_1@10.224.118.214','ns_1@10.224.119.138',
'ns_1@10.224.119.44','ns_1@10.224.123.84','ns_1@10.99.17.8',
'ns_1@10.99.19.107'] and
[{'_vclock',[{'ns_1@10.101.42.239',{61,63499073534}},
{'ns_1@10.101.45.91',{35,63499073846}},
{'ns_1@10.114.225.102',{18,63499062792}},
{'ns_1@10.114.226.155',{12,63499061481}},
{'ns_1@10.114.226.220',{18,63499062638}},
{'ns_1@10.224.109.59',{30,63499062748}},
{'ns_1@10.224.110.233',{65,63499061385}},
{'ns_1@10.224.117.247',{1,63499067192}},
{'ns_1@10.224.118.136',{1,63499067192}},
{'ns_1@10.224.118.214',{1,63499067192}},
{'ns_1@10.99.17.8',{1,63499067192}},
{'ns_1@10.99.19.107',{148,63499073689}}]},
'ns_1@10.101.42.239','ns_1@10.101.45.91','ns_1@10.114.206.74',
'ns_1@10.114.225.188','ns_1@10.114.226.155','ns_1@10.114.227.121',
'ns_1@10.114.227.165','ns_1@10.114.33.152','ns_1@10.114.33.231',
'ns_1@10.116.117.245','ns_1@10.224.109.186','ns_1@10.224.109.59',
'ns_1@10.224.109.91','ns_1@10.224.110.164','ns_1@10.224.110.174',
'ns_1@10.224.110.175','ns_1@10.224.110.185','ns_1@10.224.111.24',
'ns_1@10.224.113.59','ns_1@10.224.115.136','ns_1@10.224.115.50',
'ns_1@10.224.117.243','ns_1@10.224.117.247','ns_1@10.224.117.82',
'ns_1@10.224.118.136','ns_1@10.224.118.214','ns_1@10.224.119.138',
'ns_1@10.224.119.44','ns_1@10.224.123.84','ns_1@10.99.17.8',
'ns_1@10.99.19.107'], choosing the former.