add some syslog.log:  
```log
Nov  2 10:03:57 leon-dev-pi dbus-daemon[4141]: [session uid=1000 pid=4141] Activating service name='org.gnome.Shell.CalendarServer' requested by ':1.38' (uid=1000 pid=4361 comm="/usr/bin/gnome-shell " label="unconfined")
Nov  2 10:03:57 leon-dev-pi gnome-shell[4361]: Ignored exception from dbus method: Gio.DBusError: GDBus.Error:org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message bus without replying
Nov  2 10:03:57 leon-dev-pi gnome-shell[4361]: Ignored exception from dbus method: Gio.DBusError: GDBus.Error:org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message bus without replying
Nov  2 10:03:57 leon-dev-pi dbus-daemon[4141]: [session uid=1000 pid=4141] Successfully activated service 'org.gnome.Shell.CalendarServer'
Nov  2 10:03:57 leon-dev-pi wpa_supplicant[1839]: RRM: Ignoring radio measurement request: Not RRM network
Nov  2 10:03:57 leon-dev-pi org.gnome.Shell.CalendarServer[138537]: free(): double free detected in tcache 2
Nov  2 10:03:58 leon-dev-pi wpa_supplicant[1839]: wlan0: Associated with b6:be:76:0d:4b:75
Nov  2 10:03:58 leon-dev-pi systemd-networkd[1771]: wlan0: Lost carrier
Nov  2 10:03:58 leon-dev-pi systemd-timesyncd[1715]: No network connectivity, watching for changes.
Nov  2 10:03:58 leon-dev-pi wpa_supplicant[1839]: wlan0: CTRL-EVENT-CONNECTED - Connection to b6:be:76:0d:4b:75 completed [id=0 id_str=]
Nov  2 10:03:58 leon-dev-pi systemd-networkd[1771]: wlan0: Gained carrier
Nov  2 10:03:58 leon-dev-pi wpa_supplicant[1839]: wlan0: CTRL-EVENT-SUBNET-STATUS-UPDATE status=0
Nov  2 10:03:58 leon-dev-pi systemd-networkd[1771]: wlan0: Connected WiFi access point: LEOCASA (b6:be:76:0d:4b:75)
Nov  2 10:03:58 leon-dev-pi systemd-timesyncd[1715]: Network configuration changed, trying to establish connection.
Nov  2 10:03:58 leon-dev-pi systemd-timesyncd[1715]: Initial synchronization to time server 91.189.91.157:123 (ntp.ubuntu.com).
Nov  2 10:03:58 leon-dev-pi systemd-resolved[1773]: Using degraded feature set (UDP) for DNS server 192.168.88.1.
Nov  2 10:03:59 leon-dev-pi dbus-daemon[4141]: [session uid=1000 pid=4141] Activating service name='org.gnome.Shell.CalendarServer' requested by ':1.38' (uid=1000 pid=4361 comm="/usr/bin/gnome-shell " label="unconfined")
Nov  2 10:03:59 leon-dev-pi dbus-daemon[4141]: [session uid=1000 pid=4141] Successfully activated service 'org.gnome.Shell.CalendarServer'
Nov  2 10:03:59 leon-dev-pi org.gnome.Shell.CalendarServer[138612]: free(): double free detected in tcache 2
Nov  2 10:04:00 leon-dev-pi dbus-daemon[4141]: [session uid=1000 pid=4141] Activating service name='org.gnome.Shell.CalendarServer' requested by ':1.38' (uid=1000 pid=4361 comm="/usr/bin/gnome-shell " label="unconfined")
Nov  2 10:04:00 leon-dev-pi gnome-shell[4361]: Ignored exception from dbus method: Gio.DBusError: GDBus.Error:org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message bus without replying
Nov  2 10:04:00 leon-dev-pi gnome-shell[4361]: Ignored exception from dbus method: Gio.DBusError: GDBus.Error:org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message bus without replying
Nov  2 10:04:00 leon-dev-pi dbus-daemon[4141]: [session uid=1000 pid=4141] Successfully activated service 'org.gnome.Shell.CalendarServer'
Nov  2 10:04:00 leon-dev-pi org.gnome.Shell.CalendarServer[138649]: free(): double free detected in tcache 2
Nov  2 10:04:02 leon-dev-pi dbus-daemon[4141]: [session uid=1000 pid=4141] Activating service name='org.gnome.Shell.CalendarServer' requested by ':1.38' (uid=1000 pid=4361 comm="/usr/bin/gnome-shell " label="unconfined")
Nov  2 10:04:02 leon-dev-pi dbus-daemon[4141]: [session uid=1000 pid=4141] Successfully activated service 'org.gnome.Shell.CalendarServer'
Nov  2 10:04:02 leon-dev-pi org.gnome.Shell.CalendarServer[138725]: free(): double free detected in tcache 2
Nov  2 10:04:03 leon-dev-pi dbus-daemon[4141]: [session uid=1000 pid=4141] Activating service name='org.gnome.Shell.CalendarServer' requested by ':1.38' (uid=1000 pid=4361 comm="/usr/bin/gnome-shell " label="unconfined")
Nov  2 10:04:03 leon-dev-pi dbus-daemon[4141]: [session uid=1000 pid=4141] Successfully activated service 'org.gnome.Shell.CalendarServer'
Nov  2 10:04:04 leon-dev-pi org.gnome.Shell.CalendarServer[138799]: free(): double free detected in tcache 2
Nov  2 10:04:05 leon-dev-pi wpa_supplicant[1839]: RRM: Ignoring radio measurement request: Not RRM network
Nov  2 10:04:05 leon-dev-pi dbus-daemon[4141]: [session uid=1000 pid=4141] Activating service name='org.gnome.Shell.CalendarServer' requested by ':1.38' (uid=1000 pid=4361 comm="/usr/bin/gnome-shell " label="unconfined")
Nov  2 10:04:05 leon-dev-pi dbus-daemon[4141]: [session uid=1000 pid=4141] Successfully activated service 'org.gnome.Shell.CalendarServer'
Nov  2 10:04:05 leon-dev-pi org.gnome.Shell.CalendarServer[138874]: free(): double free detected in tcache 2
Nov  2 10:04:06 leon-dev-pi dbus-daemon[4141]: [session uid=1000 pid=4141] Activating service name='org.gnome.Shell.CalendarServer' requested by ':1.38' (uid=1000 pid=4361 comm="/usr/bin/gnome-shell " label="unconfined")
Nov  2 10:04:06 leon-dev-pi gnome-shell[4361]: Ignored exception from dbus method: Gio.DBusError: GDBus.Error:org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message bus without replying
Nov  2 10:04:06 leon-dev-pi gnome-shell[4361]: Ignored exception from dbus method: Gio.DBusError: GDBus.Error:org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message bus without replying
Nov  2 10:04:06 leon-dev-pi dbus-daemon[4141]: [session uid=1000 pid=4141] Successfully activated service 'org.gnome.Shell.CalendarServer'
Nov  2 10:04:06 leon-dev-pi org.gnome.Shell.CalendarServer[138911]: free(): double free detected in tcache 2
Nov  2 10:04:08 leon-dev-pi dbus-daemon[4141]: [session uid=1000 pid=4141] Activating service name='org.gnome.Shell.CalendarServer' requested by ':1.38' (uid=1000 pid=4361 comm="/usr/bin/gnome-shell " label="unconfined")
Nov  2 10:04:08 leon-dev-pi gnome-shell[4361]: Ignored exception from dbus method: Gio.DBusError: GDBus.Error:org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message bus without replying
Nov  2 10:04:08 leon-dev-pi gnome-shell[4361]: Ignored exception from dbus method: Gio.DBusError: GDBus.Error:org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message bus without replying

```