anchor.diff:  
         if [ -x '/var/opt/opscode/keepalived/bin/custom_backend_ip' ]; then
             log_me "Attempting CUSTOM BACKEND IP to go standby"
  -          output=`/var/opt/opscode/keepalived/bin/custom_backend_ip detach` || error_exit "CUSTOM BACKEND IP detach failed: ${output}"
  -          log_me "CUSTOM BACKEND IP detach SUCCESS: ${output}"
  +          /var/opt/opscode/keepalived/bin/custom_backend_ip detach >> $LOGNAME 2>&1
  +          if [ $? -gt 0 ]; then
  +            error_exit "CUSTOM BACKEND IP detach failed"
  +          else
  +            log_me "CUSTOM BACKEND IP detach success"
  +          fi
         fi
  +
         ;;
       fault)
         # Um... we are on the way elsewhere
  
positive.code: 
        if [ -x '/var/opt/opscode/keepalived/bin/custom_backend_ip' ]; then
            log_me "Attempting CUSTOM BACKEND IP primary takeover"
            output=`/var/opt/opscode/keepalived/bin/custom_backend_ip attach` || error_exit "CUSTOM BACKEND IP attach failed: ${output}"
            log_me "CUSTOM BACKEND IP primary attach SUCCESS: ${output}"
        fi
  
        ;;
  
negative.code: <%- end -%>
  
        if [ -x '/var/opt/opscode/keepalived/bin/custom_backend_storage' ]; then
            log_me "Attempting CUSTOM BACKEND STORAGE detach"
            /var/opt/opscode/keepalived/bin/custom_backend_storage detach >> $LOGNAME 2>&1
            if [ $? -gt 0 ]; then
              error_exit "CUSTOM BACKEND STORAGE detach failed"
            else
              log_me "CUSTOM BACKEND STORAGE detach success"
            fi
        else
          # 10 * SVWAIT
          try=300
  