when add a senondary ,the init sync process can not fished ,secondary mongod log print the followng message :

2019-01-07T05:45:36.576+0800 I - [repl writer worker 9] libtorrent.fs.chunks collection clone progress: 686378/927304 74% (documents copied)
2019-01-07T05:47:20.420+0800 I - [repl writer worker 9] libtorrent.fs.chunks collection clone progress: 690780/927304 74% (documents copied)
2019-01-07T05:49:00.834+0800 I - [repl writer worker 9] libtorrent.fs.chunks collection clone progress: 695150/927304 74% (documents copied)
2019-01-07T05:49:44.268+0800 I ASIO [ShardRegistry] Dropping all pooled connections to moveShard2_configServer2:27019 due to NetworkInterfaceExceededTimeLimit: Connection pool has been idle for longer than the host timeout
2019-01-07T05:49:44.278+0800 I ASIO [ShardRegistry] Connecting to moveShard2_configServer2:27019
2019-01-07T05:50:09.168+0800 I REPL [replication-19] Restarting oplog query due to error: NetworkInterfaceExceededTimeLimit: error in fetcher batch callback :: caused by :: timed out. Last fetched optime (with hash): { ts: Timestamp(1546840107, 74), t: 7 }[8020115046077724190]. Restarts remaining: 10
2019-01-07T05:50:09.168+0800 I REPL [replication-19] Scheduled new oplog query Fetcher source: moveShard5:27017 database: local query: { find: "oplog.rs", filter: { ts:

{ $gte: Timestamp(1546840107, 74) }

}, tailable: true, oplogReplay: true, awaitData: true, maxTimeMS: 2000, batchSize: 13981010, term: 7, readConcern: { afterClusterTime: Timestamp(1546840107, 74) } } query metadata: { $replData: 1, $oplogQueryData: 1, $readPreference:

{ mode: "secondaryPreferred" }

} active: 1 findNetworkTimeout: 7000ms getMoreNetworkTimeout: 10000ms shutting down?: 0 first: 1 firstCommandScheduler: RemoteCommandRetryScheduler request: RemoteCommand 95373 – target:moveShard5:27017 db:local cmd:{ find: "oplog.rs", filter: { ts:

{ $gte: Timestamp(1546840107, 74) }

}, tailable: true, oplogReplay: true, awaitData: true, maxTimeMS: 2000, batchSize: 13981010, term: 7, readConcern: { afterClusterTime: Timestamp(1546840107, 74) } } active: 1 callbackHandle.valid: 1 callbackHandle.cancelled: 0 attempt: 1 retryPolicy: RetryPolicyImpl maxAttempts: 1 maxTimeMillis: -1ms
2019-01-07T05:50:09.168+0800 I ASIO [RS] Ending connection to host moveShard5:27017 due to bad connection status; 1 connections to that host remain open
2019-01-07T05:50:09.168+0800 I ASIO [RS] Connecting to moveShard5:27017
2019-01-07T05:50:16.168+0800 I REPL [replication-20] Restarting oplog query due to error: NetworkInterfaceExceededTimeLimit: error in fetcher batch callback :: caused by :: timed out. Last fetched optime (with hash): { ts: Timestamp(1546840107, 74), t: 7 }[8020115046077724190]. Restarts remaining: 9
2019-01-07T05:50:16.168+0800 I ASIO [RS] Ending connection to host moveShard5:27017 due to bad connection status; 1 connections to that host remain open
2019-01-07T05:50:16.168+0800 I REPL [replication-20] Scheduled new oplog query Fetcher source: moveShard5:27017 database: local query: { find: "oplog.rs", filter: { ts:

{ $gte: Timestamp(1546840107, 74) }

}, tailable: true, oplogReplay: true, awaitData: true, maxTimeMS: 2000, batchSize: 13981010, term: 7, readConcern: { afterClusterTime: Timestamp(1546840107, 74) } } query metadata: { $replData: 1, $oplogQueryData: 1, $readPreference:

{ mode: "secondaryPreferred" }

} active: 1 findNetworkTimeout: 7000ms getMoreNetworkTimeout: 10000ms shutting down?: 0 first: 1 firstCommandScheduler: RemoteCommandRetryScheduler request: RemoteCommand 95402 – target:moveShard5:27017 db:local cmd:{ find: "oplog.rs", filter: { ts:

{ $gte: Timestamp(1546840107, 74) }

}, tailable: true, oplogReplay: true, awaitData: true, maxTimeMS: 2000, batchSize: 13981010, term: 7, readConcern: { afterClusterTime: Timestamp(1546840107, 74) } } active: 1 callbackHandle.valid: 1 callbackHandle.cancelled: 0 attempt: 1 retryPolicy: RetryPolicyImpl maxAttempts: 1 maxTimeMillis: -1ms
2019-01-07T05:50:16.168+0800 I ASIO [RS] Connecting to moveShard5:27017
2019-01-07T05:50:23.168+0800 I REPL [replication-19] Restarting oplog query due to error: NetworkInterfaceExceededTimeLimit: error in fetcher batch callback :: caused by :: timed out. Last fetched optime (with hash): { ts: Timestamp(1546840107, 74), t: 7 }[8020115046077724190]. Restarts remaining: 8
2019-01-07T05:50:23.168+0800 I ASIO [RS] Ending connection to host moveShard5:27017 due to bad connection status; 1 connections to that host remain open
2019-01-07T05:50:23.168+0800 I REPL [replication-19] Scheduled new oplog query Fetcher source: moveShard5:27017 database: local query: { find: "oplog.rs", filter: { ts:

{ $gte: Timestamp(1546840107, 74) }

}, tailable: true, oplogReplay: true, awaitData: true, maxTimeMS: 2000, batchSize: 13981010, term: 7, readConcern: { afterClusterTime: Timestamp(1546840107, 74) } } query metadata: { $replData: 1, $oplogQueryData: 1, $readPreference:

{ mode: "secondaryPreferred" }

} active: 1 findNetworkTimeout: 7000ms getMoreNetworkTimeout: 10000ms shutting down?: 0 first: 1 firstCommandScheduler: RemoteCommandRetryScheduler request: RemoteCommand 95432 – target:moveShard5:27017 db:local cmd:{ find: "oplog.rs", filter: { ts:

{ $gte: Timestamp(1546840107, 74) }

}, tailable: true, oplogReplay: true, awaitData: true, maxTimeMS: 2000, batchSize: 13981010, term: 7, readConcern: { afterClusterTime: Timestamp(1546840107, 74) } } active: 1 callbackHandle.valid: 1 callbackHandle.cancelled: 0 attempt: 1 retryPolicy: RetryPolicyImpl maxAttempts: 1 maxTimeMillis: -1ms

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