for (Integer i : device.getIPv4Addresses()) {
if (gatewayToGuid.containsKey(i)) {
MACAddress mac = MACAddress.valueOf(device.getMACAddress());
if (log.isDebugEnabled())
log.debug("Adding MAC {} with IP {} a a gateway",
HexString.toHexString(mac.toBytes()),
IPv4.fromIPv4Address(i));
macToGateway.put(mac, i);
}
}
}