;; esac
uci -q batch <<-EOF
- delete network.$role
set network.$role='interface'
set network.$role.ifname='$device'
EOF
;;
wan) uci -q batch <<-EOF
set network.wan.proto='dhcp'
- delete network.wan6
set network.wan6='interface'
set network.wan6.ifname='$device'
set network.wan6.proto='dhcpv6'