If `NFQWS_OPT_DESYNC_QUIC6` is not specified `NFQWS_OPT_DESYNC_QUIC` is taken.
flow offloading control (OpenWRT only)
flow offloading control (if supported)
```
donttouch : disable system flow offloading setting if selected mode is incompatible with it, dont touch it otherwise and dont configure selective flow offloading