+> mask: 2a00.0002.0003.0004.0004.0000.0000.0000/79
+> mask: 2a00.0002.0003.0004.0005.0006.0007.0008/128
+> Failed: mask value too big in "2a00:2:3:4:5:6:7:8/129"
+> mask_n: 2a00:2:3:4:4::/79
+> ipv6denorm: 0000:0000:0000:0000:0000:0000:0000:0001
+> ipv6denorm: fe00:0000:0000:0000:0000:0000:0000:0001
+> ipv6denorm: 0000:0000:0000:0000:0000:ffff:c0a8:0001
+> ipv6denorm: fe80:0000:0000:0000:0000:0000:c0a8:0001
+> ipv6norm: ::1
+> ipv6norm: 2a00::
+> ipv6norm: 2a00::1
+> ipv6norm: 2a00:eadf::1:0
+> ipv6norm: 2a00:eadf:0:1::
+> ipv6norm: 2a00::
+> ipv6norm: 2a00:2:3:4:5:6:7:8trailing_text