r0 = socket$inet6_udp(0xa, 0x2, 0x0)
setsockopt$inet6_buf(r0, 0x29, 0x4b, &(0x7f0000000000)="a94a128f", 0x4)
sendmsg$inet6(r0, &(0x7f0000000800)={&(0x7f0000000140)={0xa, 0x4e22, 0x0, @empty}, 0x1c, 0x0, 0x0, &(0x7f0000000700)=[@pktinfo={{0x24, 0x29, 0x32, {@private1}}}], 0x28}, 0x0)