I40E_FILTER_NEW_SYNC
f->state == I40E_FILTER_NEW_SYNC ||
add_head->state = I40E_FILTER_NEW_SYNC;
add_head->state = I40E_FILTER_NEW_SYNC;
f->state == I40E_FILTER_NEW_SYNC;
f->state = I40E_FILTER_NEW_SYNC;
new->f->state == I40E_FILTER_NEW_SYNC)