Comment 2 for bug 958898

StacktraceTop:
 nm_device_get_udi (device=0xb85d5140) at nm-device.c:871
 active_connections_changed (client=0xb8aff898, pspec=0xb8aaa718, user_data=0xb8682b88) at cc-network-panel.c:2306
 g_cclosure_marshal_VOID__PARAM (closure=0xb8773528, return_value=0x0, n_param_values=2, param_values=0xb87652c8, invocation_hint=0xbfc014d0, marshal_data=0x0) at /build/buildd/glib2.0-2.31.20/./gobject/gmarshal.c:1042
 g_closure_invoke (closure=0xb8773528, return_value=0x0, n_param_values=2, param_values=0xb87652c8, invocation_hint=0xbfc014d0) at /build/buildd/glib2.0-2.31.20/./gobject/gclosure.c:777
 signal_emit_unlocked_R (node=0xb84d4380, detail=2340, instance=0xb8aff898, emission_return=0x0, instance_and_params=0xb87652c8) at /build/buildd/glib2.0-2.31.20/./gobject/gsignal.c:3547