r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_IPV6_DSTOPTS(r0, 0x29, 0x3b, &(0x7f0000000140), 0x8)
dup2(r0, r1)
getsockopt$inet6_opts(r1, 0x29, 0x3b, &(0x7f00000002c0)=""/120, &(0x7f00000000c0)=0x78)