r0 = socket$inet6_udplite(0xa, 0x2, 0x88) sendmsg$inet6(r0, &(0x7f0000003080)={&(0x7f0000002e40)={0xa, 0x4e23, 0x0, @mcast1, 0x80000000}, 0x1c, 0x0}, 0x0)