I find a strange situation. one of my ros node output this msg.it seems my android pad' ros application reboot some times,but the connections still existed. Anyone could help me?I'm already crazy for this...

 Publisher update for [/app_pub]: http://192.168.3.6:36688/,  already have these connections: http://192.168.3.139:57698/, http://192.168.3.139:36246/, http://192.168.3.139:54061/, http://192.168.3.139:40459/, http://192.168.3.139:58692/, http://192.168.3.139:57233/, http://192.168.3.139:56187/, http://192.168.3.139:48314/, http://192.168.3.6:54257/, http://192.168.3.139:57571/, http://192.168.3.139:55081/, http://192.168.3.139:48241/, http://192.168.3.139:44010/, http://192.168.3.139:57393/, http://192.168.3.139:48197/, http://192.168.3.139:46441/, http://192.168.3.139:60237/, http://192.168.3.139:45659/, http://192.168.3.139:55788/, http://192.168.3.139:53056/, http://192.168.3.139:48663/, http://192.168.3.139:59840/, http://192.168.3.139:56863/, http://192.168.3.139:48547/, http://192.168.3.139:53514/, http://192.168.3.139:55558/, http://192.168.3.139:57290/, http://192.168.3.139:36826/, http://192.168.3.139:41271/, http://192.168.3.139:56862/, http://192.168.3.6:36688/, http://192.168.3.139:48932/, http://192.168.3.139:48394/, http://192.168.3.139:57060/, http://192.168.3.139:43928/, http://192.168.3.139:41786/, http://192.168.3.139:43852/, http://192.168.3.139:53031/, http://192.168.3.139:34707/, http://192.168.3.139:38785/, http://192.168.3.139:33709/, http://192.168.3.139:42508/, http://192.168.3.139:58905/, http://192.168.3.139:43268/, http://192.168.3.139:49680/, http://192.168.3.139:49617/, http://192.168.3.139:52572/, http://192.168.3.139:44098/, http://192.168.3.139:53909/, http://192.168.3.139:35645/, http://192.168.3.139:47942/, http://192.168.3.139:49952/, http://192.168.3.139:52421/, http://192.168.3.139:41063/, http://192.168.3.139:45838/, http://192.168.3.139:51717/, http://192.168.3.139:59099/, http://192.168.3.139:50764/, http://192.168.3.139:35171/, http://192.168.3.139:46112/, http://192.168.3.139:41244/, http://192.168.3.139:42793/, http://192.168.3.139:51001/, http://192.168.3.139:59118/, http://192.168.3.139:43439/, http://192.168.3.139:43710/, http://192.168.3.139:49116/, http://192.168.3.139:39252/, http://192.168.3.139:55594/, http://192.168.3.139:37000/, http://192.168.3.139:54437/, http://192.168.3.139:55367/, http://192.168.3.139:43802/, http://192.168.3.139:53114/, http://192.168.3.139:60256/, http://192.168.3.139:41363/, http://192.168.3.139:53546/, http://192.168.3.139:44478/, http://192.168.3.139:40088/, http://192.168.3.139:58923/, http://192.168.3.139:35890/, http://192.168.3.139:50613/, http://192.168.3.139:50439/, http://192.168.3.139:36642/, http://192.168.3.139:39192/, http://192.168.3.139:49737/, http://192.168.3.139:40727/, http://192.168.3.139:50908/, http://192.168.3.139:57247/, http://192.168.3.139:44545/, http://192.168.3.139:48964/, http://192.168.3.139:49531/, http://192.168.3.139:56402/, http://192.168.3.139:36822/, http://192.168.3.139:59674/, http://192.168.3.139:43322/, http://192.168.3.139:48515/, http://192.168.3.139:33138/, http://192.168.3.139:59051/, http://192.168.3.139:60556/, http://192.168.3.139:51123/, http://192.168.3.139:48648/, http://192.168.3.139:39712/, http://192.168.3.139:50145/, http://192.168.3.139:38379/, http://192.168.3.139:34238/, http://192.168.3.139:45709/, http://192.168.3.139:42228/, http://192.168.3.139:41776/, http://192.168.3.139:45978/, http://192.168.3.139:36077/, http://192.168.3.139:34852/, http://192.168.3.139:54165/, http://192.168.3.139:42823/, http://192.168.3.139:43082/, http://192.168.3.139:56744/, http://192.168.3.139:40210/, http://192.168.3.139:49592/, http://192.168.3.139:41078/, http://192.168.3.139:43483/, http://192.168.3.139:42291/, http://192.168.3.139:48877/, http://192.168.3.139:55496/, http://192.168.3.139:45235/, http://192.168.3.139:42218/, http://192.168.3.139:48191/, 

Location:
/tmp/binarydeb/ros-indigo-roscpp-1.11.19/src/libros/subscription.cpp:Subscription::pubUpdate:241