1:INPUT,FORWARD,OUTPUT 2-m hbh;=;OK 3-m hbh --hbh-len 42;=;OK 4-m hbh ! --hbh-len 42;=;OK 5-m hbh --hbh-len 42 --hbh-opts 1:2,23:42,4:6,8:10,42,23,4:5;=;OK 6