anchor.diff:  |Inverts the network layer type-of-service (ToS) predicate. It has no effect
   unless the `nwTos` field is also set.
   
  +|invOutPortGroup |Boolean |POST/PUT |No
  +|Inverts the output port group predicate.
  +
   |invOutPorts |Boolean |POST/PUT |No
   |Inverts the egress ports predicate.
   
  
positive.code: _nonheader_ (matches subsequent fragments), _unfragmented_ (matches
  unfragmented datagrams).
  
  |inPorts |Array of UUID |POST/PUT |No
  |Matches the list of (interior or exterior) ingress ports.
  
  
negative.code: |Inverts the data link ethertype predicate. It has no effect unless the
  `dlType` field is also set.
  
  |invInPortGroup |Boolean |POST/PUT |No
  |Inverts the input port group predicate.
  
  |invInPorts |Boolean |POST/PUT |No
  |Inverts the ingress ports predicate.
  
  