r0 = socket$inet6_udp(0xa, 0x2, 0x0)
setsockopt$inet6_mreq(r0, 0x29, 0x4b, &(0x7f0000000000)={@private2}, 0x14)
bind$inet6(r0, &(0x7f0000000240)={0xa, 0x0, 0x0, @ipv4}, 0x1c)