SFP_S_INIT
[SFP_S_INIT] = "init",
if (sfp->sm_state > SFP_S_INIT)
sfp_sm_next(sfp, SFP_S_INIT, timeout);
case SFP_S_INIT:
sfp_sm_next(sfp, SFP_S_INIT, sfp->module_t_start_up);