RDMA_CM_ADDRINFO_QUERY
work->old_state = RDMA_CM_ADDRINFO_QUERY;
work->old_state = RDMA_CM_ADDRINFO_QUERY;
!cma_comp_exch(id_priv, RDMA_CM_ADDR_BOUND, RDMA_CM_ADDRINFO_QUERY))
cma_comp_exch(id_priv, RDMA_CM_ADDRINFO_QUERY, RDMA_CM_ADDR_BOUND);