For the Qs to correctly match both directions you need to add the following rule before fast track rule:
chain=forward action=accept connection-state=established,related dst-address-list=alist_to_s-queue log=no log-prefix=""
For the Qs to correctly match both directions you need to add the following rule before fast track rule:
chain=forward action=accept connection-state=established,related dst-address-list=alist_to_s-queue log=no log-prefix=""