node2@192.168.1.21

iex(node2@192.168.1.21)4> Swarm.members(:notification_sender)
[#PID<0.794.0>, #PID<0.824.0>, #PID<0.792.0>, #PID<24706.878.0>]
iex(node2@192.168.1.21)5> *DBG* 'Elixir.Swarm.Tracker' receive info {'DOWN',#Ref<0.3005574842.2392326147.106534>,process,<24706.878.0>,
             noconnection} in state tracking
[debug] [swarm on node2@192.168.1.21] [tracker:handle_monitor] lost connection to "7a20ed8c-98b8-4db5-bb59-dfa9d038aae1" (#PID<24706.878.0>) on node1@192.168.1.21, node is down
[debug] [swarm on node2@192.168.1.21] [tracker:handle_topology_change] topology change (nodedown for node1@192.168.1.21)
[debug] [swarm on node2@192.168.1.21] [tracker:handle_topology_change] #PID<0.792.0> belongs on node1@192.168.1.21
[error] Scheduler BEGIN_HANDOFF %{}
[debug] [swarm on node2@192.168.1.21] [tracker:handle_topology_change] ModNotifications.Workers.Scheduler has requested to be resumed
[warn] [swarm on node2@192.168.1.21] [tracker:broadcast_event] broadcast of event ({:untrack, #PID<0.792.0>}) was not recevied by [:"node1@192.168.1.21"]
*DBG* 'Elixir.Swarm.Tracker' consume info {'DOWN',#Ref<0.3005574842.2392326147.106534>,process,<24706.878.0>,
             noconnection} in state tracking
[debug] [swarm on node2@192.168.1.21] [tracker:handle_topology_change] sending handoff for ModNotifications.Workers.Scheduler to node1@192.168.1.21
[info] [swarm on node2@192.168.1.21] [tracker:handle_topology_change] topology change complete
[error] Scheduler DIE %{}
*DBG* 'Elixir.Swarm.Tracker' receive info {nodedown,'node1@192.168.1.21',[{node_type,visible}]} in state tracking
[info] [swarm on node2@192.168.1.21] [tracker:nodedown] nodedown node1@192.168.1.21
[debug] [swarm on node2@192.168.1.21] [tracker:handle_topology_change] topology change (nodedown for node1@192.168.1.21)
[debug] [swarm on node2@192.168.1.21] [tracker:handle_topology_change] restarting "7a20ed8c-98b8-4db5-bb59-dfa9d038aae1" on node2@192.168.1.21
[debug] [swarm on node2@192.168.1.21] [tracker:do_track] starting "7a20ed8c-98b8-4db5-bb59-dfa9d038aae1" on node2@192.168.1.21
[warn] START LINK "7a20ed8c-98b8-4db5-bb59-dfa9d038aae1" %{sender: {ModNotifications.Workers.PushSender, %ModNotifications.Workers.PushSender{actions: [%{callback: "viewActivity", foreground: true, label: "Voir"}], apns_token: "da116dbade8c174e758c0a3ced78075b3645975884df1f8e374fa5bbf0037f15", badge: 1, category: "viewActivity", fcm_token: nil, message: "Vous avez un rendez-vous maintenant", title: "N'oubliez pas votre rendez-vous", user_data: %{"activity_id" => "8f7f4a12-c5cc-4e19-b280-35f1c289440a", "company_id" => 34}}}, trigger_time: #DateTime<2018-02-02 17:30:00.000Z>}
[warn] INIT DELAYER %{sender: {ModNotifications.Workers.PushSender, %ModNotifications.Workers.PushSender{actions: [%{callback: "viewActivity", foreground: true, label: "Voir"}], apns_token: "da116dbade8c174e758c0a3ced78075b3645975884df1f8e374fa5bbf0037f15", badge: 1, category: "viewActivity", fcm_token: nil, message: "Vous avez un rendez-vous maintenant", title: "N'oubliez pas votre rendez-vous", user_data: %{"activity_id" => "8f7f4a12-c5cc-4e19-b280-35f1c289440a", "company_id" => 34}}}, trigger_time: #DateTime<2018-02-02 17:30:00.000Z>}
[debug] [swarm on node2@192.168.1.21] [tracker:do_track] started "7a20ed8c-98b8-4db5-bb59-dfa9d038aae1" on node2@192.168.1.21
[info] [swarm on node2@192.168.1.21] [tracker:handle_topology_change] topology change complete
*DBG* 'Elixir.Swarm.Tracker' consume info {nodedown,'node1@192.168.1.21',[{node_type,visible}]} in state tracking
*DBG* 'Elixir.Swarm.Tracker' receive info {'EXIT',<0.792.0>,shutdown} in state tracking
*DBG* 'Elixir.Swarm.Tracker' consume info {'EXIT',<0.792.0>,shutdown} in state tracking
iex(node2@192.168.1.21)5> Swarm.members(:notification_sender)
[#PID<0.794.0>, #PID<0.824.0>, #PID<0.832.0>]