docs: public void cutLink(int hostIdA, int hostIdB) {
          if (m_localHostId == hostIdA) {
              Iterator<ForeignHost> it = m_foreignHosts.get(hostIdB).iterator();
              while (it.hasNext()) {
                  ForeignHost fh = it.next();
                  fh.cutLink();
              }
          }
          if (m_localHostId == hostIdB) {
              Iterator<ForeignHost> it = m_foreignHosts.get(hostIdA).iterator();
              while (it.hasNext()) {
                  ForeignHost fh = it.next();
                  fh.cutLink();
              }
          }
      }