r0 = socket$inet6_udplite(0xa, 0x2, 0x88)
setsockopt$inet6_group_source_req(r0, 0x29, 0x2e, &(0x7f0000000040)={0x0, {{0xa, 0x0, 0x0, @mcast1}}, {{0xa, 0x0, 0x0, @private1}}}, 0x108)
setsockopt$inet6_MCAST_MSFILTER(r0, 0x29, 0x2a, &(0x7f00000003c0)={0x3, {{0xa, 0x0, 0x0, @mcast1={0xff, 0x0}}}}, 0x90)