gvfsd-sftp assert failure: ERROR:gvfsdaemon.c:149:g_vfs_daemon_finalize: assertion failed: (daemon->jobs == NULL)

I think this happened after the sftp-connected device was unavailable anymore (switching networks). Or maybe after a timeout?

ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: gvfs-backends 1.17.2-0ubuntu2
ProcVersionSignature: Ubuntu 3.10.0-2.10-generic 3.10.0
Uname: Linux 3.10.0-2-generic x86_64
NonfreeKernelModules: nvidia wl
ApportVersion: 2.10.2-0ubuntu3
Architecture: amd64
AssertionMessage: ERROR:gvfsdaemon.c:149:g_vfs_daemon_finalize: assertion failed: (daemon->jobs == NULL)
Date: Tue Jul 9 18:57:14 2013
ExecutablePath: /usr/lib/gvfs/gvfsd-sftp
MarkForUpload: True
ProcCmdline: /usr/lib/gvfs/gvfsd-sftp --spawner :1.4 /org/gtk/gvfs/exec_spaw/4
Signal: 6
SourcePackage: gvfs
StacktraceTop:
 _g_log_abort () at /build/buildd/glib2.0-2.37.3/./glib/gmessages.c:255
 g_assertion_message (domain=domain@entry=0x0, file=file@entry=0x7fbf9e9e0856 "gvfsdaemon.c", line=line@entry=149, func=func@entry=0x7fbf9e9e0a00 "g_vfs_daemon_finalize", message=<optimized out>) at /build/buildd/glib2.0-2.37.3/./glib/gtestutils.c:2075
 g_assertion_message_expr (domain=0x0, file=0x7fbf9e9e0856 "gvfsdaemon.c", line=149, func=0x7fbf9e9e0a00 "g_vfs_daemon_finalize", expr=<optimized out>) at /build/buildd/glib2.0-2.37.3/./glib/gtestutils.c:2086
 ?? () from /usr/lib/x86_64-linux-gnu/gvfs/libgvfsdaemon.so
 g_object_unref (_object=0x1e85300) at /build/buildd/glib2.0-2.37.3/./gobject/gobject.c:3194
Title: gvfsd-sftp assert failure: ERROR:gvfsdaemon.c:149:g_vfs_daemon_finalize: assertion failed: (daemon->jobs == NULL)
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm autopilot cdrom dip lpadmin plugdev sambashare sbuild sudo