WANT_RECV_DROPS   105 opal/mca/btl/usnic/btl_usnic.h #if WANT_RECV_DROPS > 0
WANT_RECV_DROPS   106 opal/mca/btl/usnic/btl_usnic.h #define FAKE_RECV_DROP (opal_rand(&opal_btl_usnic_rand_buff) < WANT_RECV_DROPS)