V6("::ffff:192.168.1.1", 1, "00000000000000000000ffffc0a80101")
V6(".192.168.1.1", 0, "")
V6(":.192.168.1.1", 0, "")
-V6("a:0b:00c:000d:0000e:f::", 1, "000a000b000c000d000e000f00000000")
+V6("a:0b:00c:000d:E:F::", 1, "000a000b000c000d000e000f00000000")
+V6("a:0b:00c:000d:0000e:f::", 0, "")
V6("a:b::c:d:e:f", 1, "000a000b00000000000c000d000e000f")
V6("ffff:c0a8:5e4", 0, "")
V6(":ffff:c0a8:5e4", 0, "")