Here you are :
coeur-noir@asgard:~$ budgie-panel --replace &
[1] 2832
coeur-noir@asgard:~$
(budgie-panel:2832): dbind-WARNING **: 17:41:04.855: Couldn't register with accessibility bus: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
(budgie-panel:2832): Gtk-CRITICAL **: 17:41:05.128: gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed
** Message: 17:41:05.326: libsession.vala:50: DESKTOP_AUTOSTART_ID not set, session registration may be broken (not running budgie-desktop?)
** (budgie-panel:2832): WARNING **: 17:41:05.411: BudgieMenuWindow.vala:190: Logiciel has no parent directory, not adding to menu
(budgie-panel:2832): Gtk-CRITICAL **: 17:41:31.931: gtk_render_frame_gap: assertion 'xy0_gap >= 0' failed