- { field => 'ip_addr', value => \&ip_addr },
- { field => 'sectornum', value => \§ornum },
- { field => 'mac_addr', value => \&mac_addr },
+ { field => 'ip_addr', value_callback => \&ip_addr },
+ { field => 'sectornum', value_callback => \§ornum },
+ { field => 'mac_addr', value_callback => \&mac_addr },