ICPF_RX_FLBUF
icp->icp_flags |= ICPF_RX_FLBUF;
if (icp->icp_flags == ICPF_RX_FLBUF) {
MPASS((icp->icp_flags & ICPF_RX_FLBUF) == 0);
MPASS((icp->icp_flags & ICPF_RX_FLBUF) == 0);
MPASS(icp->icp_flags & (ICPF_RX_FLBUF));