Setting plink_action [block|open], when 802.11s mesh-interface comes up. Define
filterpolicy in uci wireless..macfilter=[disable|deny|allow]. Deny
sets iw dev <device> station set <mac> plink_action block
and allow sets
iw dev <device> mesh_param mesh_auto_open_plink=0
and iw dev <device>
station set <mac> plink_action open
. List MAC addresses (divided by spaces) in
wireless.<wifi-iface>.maclist
.