subprocess.call('modprobe ipmi_msghandler', stderr=devnull, shell=True)
subprocess.call('modprobe ipmi_devintf', stderr=devnull, shell=True)
subprocess.call('modprobe ipmi_si', stderr=devnull, shell=True)
subprocess.call('modprobe ipmi_msghandler', stderr=devnull, shell=True)
subprocess.call('modprobe ipmi_devintf', stderr=devnull, shell=True)
subprocess.call('modprobe ipmi_si', stderr=devnull, shell=True)