ICE_FD_VF_FLUSH_CTX
test_bit(ICE_FD_VF_FLUSH_CTX, pf->state) ||
set_bit(ICE_FD_VF_FLUSH_CTX, pf->state);
set_bit(ICE_FD_VF_FLUSH_CTX, pf->state);
if (!test_and_clear_bit(ICE_FD_VF_FLUSH_CTX, pf->state))