ARL_LL_UP
if ((arl->arl_state_flags & ARL_LL_UP) != 0) {
arl->arl_state_flags &= ~ARL_LL_UP;
arl->arl_state_flags &= ~ARL_LL_UP;
arl->arl_state_flags &= ~ARL_LL_UP;
arl->arl_state_flags |= ARL_LL_UP;