* ASUSWRT: Add IPv6 support when parsing neighbors The regex for IPv6 should cover most cases, but it doesn't validate whether IP is correct. It also might fail for some edge cases. Also, ignore 'duid xx:xx:xx:xx:xx:xx:xx:xx:xx:xx' line in leases. Closes #2814 - ASUSWRT doesn't support ipv6 * Update asuswrt.py