append bss_conf "ssid=$ssid" "$N"
[ -n "$network_bridge" ] && append bss_conf "bridge=$network_bridge" "$N"
+ [ -n "$network_ifname" ] && append bss_conf "snoop_iface=$network_ifname" "$N"
[ -n "$iapp_interface" ] && {
local ifname
network_get_device ifname "$iapp_interface" || ifname="$iapp_interface"