r0 = socket$inet6_udp(0xa, 0x2, 0x0)
setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f0000000000)={@empty}, 0x14)
setsockopt$inet6_mreq(r0, 0x29, 0x1c, &(0x7f00000000c0)={@local}, 0x14)