r0 = socket$inet6_udp(0xa, 0x2, 0x0)
sendmsg$inet6(r0, &(0x7f0000000740)={&(0x7f0000000380)={0xa, 0x4e23, 0x0, @private2}, 0x1c, 0x0, 0x0, &(0x7f0000000680)=[@pktinfo={{0x24, 0x29, 0x32, {@loopback}}}], 0x28}, 0x0)