anchor.diff:      if_eth1.graph_title eth1 traffic
       if_eth1.graph_vlabel bits in (-) / out (+) per ${graph_period}
       if_eth1.graph_category network
  +    if_eth1.graph_order down up
       if_eth1.down.sum <%= Chef::Munin.expand "%%.openstreetmap:if_eth1.down", @frontends %>
       if_eth1.down.label received
       if_eth1.down.cdef down,8,*
  
positive.code:     if_eth0.graph_title eth0 traffic
      if_eth0.graph_vlabel bits in (-) / out (+) per ${graph_period}
      if_eth0.graph_category network
      if_eth0.down.sum <%= Chef::Munin.expand "%%.openstreetmap:if_eth0.down", @frontends %>
      if_eth0.down.label received
      if_eth0.down.cdef down,8,*
  
negative.code:     api_calls_error.graph_title HTTP errors
      api_calls_error.graph_vlabel Number of errors per ${graph_period}
      api_calls_error.graph_category api
      api_calls_error.graph_order http500 http502 http503 http509
      api_calls_error.http500.sum <%= Chef::Munin.expand "%%.openstreetmap:api_calls_status.http500", @frontends %>
      api_calls_error.http500.label 500 Internal Server Error
      api_calls_error.http502.sum <%= Chef::Munin.expand "%%.openstreetmap:api_calls_status.http502", @frontends %>
  