# first the setup I add table ip t I add set ip t portrange { type inet_service; flags interval; } I add set ip t ports { type inet_service; } O - # make sure concurrent adds work I add element ip t portrange { 1024-65535 } I add element ip t ports { 10 } O - # delete items again I delete element ip t portrange { 1024-65535 } I delete element ip t ports { 10 } O -