Builds fail to "wsarecv: An existing connection was forcibly closed by the remote host."

agent:2018/02/22 05:30:06 retry.go:24: Operation failed with an error:  read tcp 10.215.143.221:49752->10.215.134.207:58172: wsarecv: An existing connection was forcibly closed by the remote host.
agent:2018/02/22 05:30:06 retry.go:25: Trying again (attempt:  4 ) after sleep of  20s  seconds...
agent:2018/02/22 05:30:26 storageclient.go:391: Unpacking "/home/vmbuilder/ci-working-dir/storage/qt/qtwebengine/04cc4456c78af1235429426684fcf64b278c0a97/sources_win.tar.gz" in "C:\Users\qt\work\qt\qtwebengine"
agent:2018/02/22 05:30:35 build.go:383: Executing scheduled instruction 1 of 1 - Upload all core dumps if there are some
agent:2018/02/22 05:30:35 build.go:385: 
agent:2018/02/22 05:30:35 agent.go:181: Test failed
agent:2018/02/22 05:30:35 agent.go:79: ERROR building: read tcp 10.215.143.221:49778->10.215.134.207:58172: wsarecv: An existing connection was forcibly closed by the remote host.

agent:2018/02/22 02:00:27 build.go:396: Executing instruction 12 of 33 - InstallBinaryArchive
agent:2018/02/22 02:00:27 storageclient.go:391: Unpacking "/home/vmbuilder/ci-working-dir/storage/qt/qtsvg/b68bfa4d7dde38303a348e00e5c1f3df2ea8a5f6/WindowsWindows_10x86_64WindowsWindows_10x86_64MSVC2017qtci-windows-10-x86_64-10-cd203aDebugAndRelease_Release_ForceDebugInfo_OpenGLDynamic/46a86fb3d3d9a387b68c89e479c8334064181ca5/build_1519262863/artifacts.tar.gz" in "C:\Users\qt\work"
agent:2018/02/22 02:00:30 build.go:607:
agent:2018/02/22 02:00:30 build.go:396: Executing instruction 13 of 33 - InstallBinaryArchive
agent:2018/02/22 02:00:30 storageclient.go:391: Unpacking "/home/vmbuilder/ci-working-dir/storage/qt/qtbase/27d8c8d056ff523bb2ba85cc801ac0443b70988a/WindowsWindows_10x86_64WindowsWindows_10x86_64MSVC2017qtci-windows-10-x86_64-10-cd203aDebugAndRelease_Release_ForceDebugInfo_OpenGLDynamic/2a48a3b7dcb9652b1532a3ad14de7580b5b9b1ee/build_1519243245/artifacts.tar.gz" in "C:\Users\qt\work"
agent:2018/02/22 02:01:14 retry.go:24: Operation failed with an error: read tcp 10.215.231.38:49805->10.215.134.207:58172: wsarecv: An existing connection was forcibly closed by the remote host.
agent:2018/02/22 02:01:14 retry.go:25: Trying again (attempt: 1 ) after sleep of 5s seconds...
agent:2018/02/22 02:01:23 storageclient.go:391: Unpacking "/home/vmbuilder/ci-working-dir/storage/qt/qtbase/27d8c8d056ff523bb2ba85cc801ac0443b70988a/WindowsWindows_10x86_64WindowsWindows_10x86_64MSVC2017qtci-windows-10-x86_64-10-cd203aDebugAndRelease_Release_ForceDebugInfo_OpenGLDynamic/2a48a3b7dcb9652b1532a3ad14de7580b5b9b1ee/build_1519243245/artifacts.tar.gz" in "C:\Users\qt\work"
agent:2018/02/22 02:01:29 retry.go:24: Operation failed with an error: read tcp 10.215.231.38:49814->10.215.134.207:58172: wsarecv: An existing connection was forcibly closed by the remote host.
agent:2018/02/22 02:01:29 retry.go:25: Trying again (attempt: 2 ) after sleep of 10s seconds...
agent:2018/02/22 02:01:40 storageclient.go:391: Unpacking "/home/vmbuilder/ci-working-dir/storage/qt/qtbase/27d8c8d056ff523bb2ba85cc801ac0443b70988a/WindowsWindows_10x86_64WindowsWindows_10x86_64MSVC2017qtci-windows-10-x86_64-10-cd203aDebugAndRelease_Release_ForceDebugInfo_OpenGLDynamic/2a48a3b7dcb9652b1532a3ad14de7580b5b9b1ee/build_1519243245/artifacts.tar.gz" in "C:\Users\qt\work"
agent:2018/02/22 02:02:39 retry.go:24: Operation failed with an error: read tcp 10.215.231.38:49830->10.215.134.207:58172: wsarecv: An existing connection was forcibly closed by the remote host.
agent:2018/02/22 02:02:39 retry.go:25: Trying again (attempt: 3 ) after sleep of 15s seconds...
agent:2018/02/22 02:02:58 storageclient.go:391: Unpacking "/home/vmbuilder/ci-working-dir/storage/qt/qtbase/27d8c8d056ff523bb2ba85cc801ac0443b70988a/WindowsWindows_10x86_64WindowsWindows_10x86_64MSVC2017qtci-windows-10-x86_64-10-cd203aDebugAndRelease_Release_ForceDebugInfo_OpenGLDynamic/2a48a3b7dcb9652b1532a3ad14de7580b5b9b1ee/build_1519243245/artifacts.tar.gz" in "C:\Users\qt\work"
agent:2018/02/22 02:03:44 retry.go:24: Operation failed with an error: read tcp 10.215.231.38:49838->10.215.134.207:58172: wsarecv: An existing connection was forcibly closed by the remote host.
agent:2018/02/22 02:03:44 retry.go:25: Trying again (attempt: 4 ) after sleep of 20s seconds...
agent:2018/02/22 02:04:04 storageclient.go:391: Unpacking "/home/vmbuilder/ci-working-dir/storage/qt/qtbase/27d8c8d056ff523bb2ba85cc801ac0443b70988a/WindowsWindows_10x86_64WindowsWindows_10x86_64MSVC2017qtci-windows-10-x86_64-10-cd203aDebugAndRelease_Release_ForceDebugInfo_OpenGLDynamic/2a48a3b7dcb9652b1532a3ad14de7580b5b9b1ee/build_1519243245/artifacts.tar.gz" in "C:\Users\qt\work"
agent:2018/02/22 02:04:36 build.go:383: Executing scheduled instruction 1 of 1 - Upload all core dumps if there are some
agent:2018/02/22 02:04:36 build.go:385:
agent:2018/02/22 02:04:36 agent.go:181: Test failed
agent:2018/02/22 02:04:36 agent.go:79: ERROR building: read tcp 10.215.231.38:49844->10.215.134.207:58172: wsarecv: An existing connection was forcibly closed by the remote host.