[3.1.5] unable to add back removed node

Failed to add node 172.23.106.213:8091 to cluster. Prepare join failed. Timeout connecting to "172.23.106.213" on port 8091. This could be due to an incorrect host/port combination or a firewall in place between the servers.

[ns_server:debug,2016-04-11T13:51:15.242,ns_1@172.23.106.213:ns_heart_slow_status_updater<0.1024.0>:cluster_logs_collection_task:maybe_build_cluster_logs_task:43]Ignoring exception trying to read cluster_logs_collection_task_status table: error:badarg

[ns_server:debug,2016-04-11T13:51:20.237,ns_1@172.23.106.213:ns_heart_slow_status_updater<0.1024.0>:ns_heart:current_status_slow_inner:259]Ignoring failure to grab system stats:

{'EXIT',{noproc,{gen_server,call,

                            [{'stats_reader-@system','ns_1@172.23.106.213'},

                             {latest,"minute"}]}}}

[ns_server:debug,2016-04-11T13:51:20.241,ns_1@172.23.106.213:ns_heart_slow_status_updater<0.1024.0>:cluster_logs_collection_task:maybe_build_cluster_logs_task:43]Ignoring exception trying to read cluster_logs_collection_task_status table: error:badarg

[ns_server:debug,2016-04-11T13:51:25.239,ns_1@172.23.106.213:ns_heart_slow_status_updater<0.1024.0>:ns_heart:current_status_slow_inner:259]Ignoring failure to grab system stats:

{'EXIT',{noproc,{gen_server,call,

                            [{'stats_reader-@system','ns_1@172.23.106.213'},

                             {latest,"minute"}]}}}

[ns_server:debug,2016-04-11T13:51:25.243,ns_1@172.23.106.213:ns_heart_slow_status_updater<0.1024.0>:cluster_logs_collection_task:maybe_build_cluster_logs_task:43]Ignoring exception trying to read cluster_logs_collection_task_status table: error:badarg

[ns_server:error,2016-04-11T13:41:35.312,ns_1@172.23.106.213:<0.48.1>:menelaus_web:loop:170]Server error during processing: ["web request failed",

                                 {path,"/pools/default/tasks"},

                                 {type,exit},

                                 {what,

                                  {noproc,

                                   {gen_server,call,

                                    [xdc_rdoc_replication_srv,

                                     {foreach_doc,

                                      #Fun<xdc_rdoc_replication_srv.2.4398899>},

                                     infinity]}}},

                                 {trace,

                                  [{gen_server,call,3,

                                    [{file,"gen_server.erl"},{line,188}]},

                                   {xdc_rdoc_replication_srv,

                                    find_all_replication_docs,1,

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

                                     {line,215}]},

                                   {ns_doctor,build_tasks_list,2,

                                    [{file,"src/ns_doctor.erl"},{line,198}]},

                                   {menelaus_web,handle_tasks,2,

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

                                     {line,2553}]},

                                   {request_throttler,do_request,3,

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

                                     {line,59}]},

                                   {menelaus_web,loop,2,

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

                                     {line,149}]},

                                   {mochiweb_http,headers,5,

                                    [{file,

                                      "/home/buildbot/buildbot_slave/ubuntu-1004-x64-30x-builder/build/build/couchdb/src/mochiweb/mochiweb_http.erl"},

                                     {line,94}]},

                                   {proc_lib,init_p_do_apply,3,

                                    [{file,"proc_lib.erl"},{line,239}]}]}]