MongoDB shell version v3.4.9
connecting to: mongodb://user:pass@xyz.com:37017/ar
2017-10-23T11:22:05.420+0200 D NETWORK  [thread1] creating new connection to:xyz.com:37017
2017-10-23T11:22:05.460+0200 D NETWORK  [thread1] connected to server xyz.com:37017 (152.151.129.37)
2017-10-23T11:22:05.474+0200 I NETWORK  [thread1] Socket recv() Connection reset by peer 152.151.129.37:37017
2017-10-23T11:22:05.474+0200 I NETWORK  [thread1] SocketException: remote: (NONE):0 error: 9001 socket exception [RECV_ERROR] server [152.151.129.37:37017]
2017-10-23T11:22:05.474+0200 D -        [thread1] User Assertion: 6:network error while attempting to run command 'isMaster' on host 'xyz.com:37017'  src/mongo/client/dbclient.cpp 213
2017-10-23T11:22:05.475+0200 D -        [thread1] User Assertion: 1:network error while attempting to run command 'isMaster' on host 'xyz.com:37017'  src/mongo/scripting/mozjs/mongo.cpp 716
2017-10-23T11:22:05.475+0200 E QUERY    [thread1] Error: network error while attempting to run command 'isMaster' on host 'xyz.com:37017'  :
connect@src/mongo/shell/mongo.js:237:13
@(connect):1:6
2017-10-23T11:22:05.475+0200 D -        [thread1] User Assertion: 12513:connect failed src/mongo/shell/shell_utils.cpp 256
2017-10-23T11:22:05.475+0200 I QUERY    [thread1] MozJS GC prologue heap stats -  total: 3502915 limit: 0
2017-10-23T11:22:05.477+0200 I QUERY    [thread1] MozJS GC epilogue heap stats -  total: 349115 limit: 0
2017-10-23T11:22:05.477+0200 I QUERY    [thread1] MozJS GC prologue heap stats -  total: 240819 limit: 0
2017-10-23T11:22:05.478+0200 I QUERY    [thread1] MozJS GC epilogue heap stats -  total: 49451 limit: 0
2017-10-23T11:22:05.478+0200 D -        [main] User Assertion: 12513:connect failed src/mongo/scripting/mozjs/proxyscope.cpp 299
exception: connect failed