iface="$1"
uplink=0

if [ "$iface" = wan0 ] || [ "$iface" = wan0.2 ]; then
  uplink=1
fi

ip link set dev "$iface" up

if [ "$uplink" = 1 ]; then
  if [ -z "$(ip -o -4 addr show $iface)" ]; then
    run-dhclient "$iface"
  else
    # dhclient would do this if we had run it
    upload-logs-now
  fi
fi