r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
setsockopt$inet6_IPV6_DSTOPTS(r0, 0x29, 0x3b, &(0x7f0000000380), 0x8)
sendmsg(r0, &(0x7f0000000280)={&(0x7f00000000c0)=@nl=@unspec, 0x80, &(0x7f0000000240)=[{&(0x7f0000000180)="8663", 0x2}], 0x1}, 0x10)