+ /* we should unsubscribe from the broadcast groups at this point, but it is not so
+ trivial for a few reasons: the refcounting is a bit of a mess and not obvious
+ how it will look like after we add genetlink support, and it is also not possible
+ to query what broadcast groups were subscribed to when we inherit the socket to get
+ the initial refcount. The latter could indeed be done for the first 32 broadcast
+ groups (which incidentally is all we currently support in .socket units anyway),
+ but we better not rely on only ever using 32 groups. */