openwrt: switch to synchronous ubus for testing
openwrt: move explicit ifdown for subinterfaces to another place
openwrt: fix guest mode client interface behaviour
Remove some redundant subinterface calls
Revert "openwrt: switch to synchronous ubus for testing"

This reverts commit 1b686b609935764820f6c58ffb7a26f29ac3f9d8.
openwrt: sleep before firing up subinterfaces to avoid more races
Even more race condition work-arounds *sigh*

Signed-off-by: Steven Barth <steven@midlink.org>
Made security an option
Merge remote-tracking branch 'origin/master' into trust