r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_tcp_int(r0, 0x6, 0x12, &(0x7f0000000080)=0x90, 0x4)
bind$inet6(r0, &(0x7f0000000140)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @empty}}, 0x1c)
connect$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @empty}, 0x1c)
sendmsg$inet6(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000180)=[{&(0x7f0000000200)="ff", 0x1}], 0x1, &(0x7f0000000980)=ANY=[@ANYBLOB="c8000000000000002900000037000000001500000000000001a8fe6a03eb357ce423ea6f0b254149f9dda45af06858349e37b7038982090ccec17e867892bd1dc0d33207d3ff499261fae2fcfcc27355a2f3c67b387b470539d4d8f0ef6ed431487f1c0a495bc1b978d7ab4cce11b69069e399334006611d110358fda7a254e1d83bd711580c41299600dc8c7b76ba2f403c5154d4763dcc80d67e0e353d03670e68120c786bbb7a337d17fc1ba7953b631b710a28060eb02fd99ca6ef235df48be300000000000014000000000000002900000008000000f7ffffff00000000d8"], 0x1b8}, 0x0)
sendmsg$inet6(r0, &(0x7f00000006c0)={0x0, 0x31, &(0x7f0000000540)=[{&(0x7f0000000100)=':\x00', 0xfffffdef}], 0x1}, 0x10044008)