r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000080)=0x90, 0x4)
bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @empty}}, 0x1c)
setsockopt$sock_int(r0, 0x1, 0x20, &(0x7f0000000200), 0x4)
connect$inet6(r0, &(0x7f00000001c0)={0xa, 0x4e20, 0x0, @empty}, 0x1c)