Comment 8 for bug 307312

> Also, action_wpa should have a numeric prefix -- right now it will run
> after NetworkManager has gone to sleep, interfaces possibly taken down,
> and network card driver modules unloaded. Needless to say, that might
> affect the functioning of the hook.

action_wpa requires the UNIX control socket to send the disconnect command to wpa_supplicant, thus it does not affect the wpa_supplicant process which NM starts via D-Bus, it only tries to make things smoother for people who use /etc/network/interfaces

If numeric sequence numbers are to be used with hooks, it would be nice to see mention of this in pm-utils documentation.