r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c)
setsockopt$inet6_tcp_int(r0, 0x6, 0x19, &(0x7f0000000080)=0x3, 0x4)