r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_udp_int(r0, 0x11, 0x67, &(0x7f0000000140)=0x7f, 0x4) connect$inet6(r0, &(0x7f0000000180)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) r1 = fcntl$dupfd(r0, 0x0, r0) connect$inet6(r1, &(0x7f00000001c0)={0xa, 0x4e61, 0x0, @ipv4={'\x00', '\xff\xff', @private=0xa010101}}, 0x1c) sendmsg$inet6(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)=[{&(0x7f0000000bc0)='+', 0x1fc0}], 0x1}, 0x0)