<!ELEMENT host_link EMPTY>
<!ATTLIST host_link id CDATA #REQUIRED>
<!ATTLIST host_link up CDATA #REQUIRED>
<!ATTLIST host_link down CDATA #REQUIRED>
<!ELEMENT host_link EMPTY>
<!ATTLIST host_link id CDATA #REQUIRED>
<!ATTLIST host_link up CDATA #REQUIRED>
<!ATTLIST host_link down CDATA #REQUIRED>