bug#12023: bug of hostid cmd ?

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HI, guy,

Can you tell me how the "hostid" command work? or how can I control my "hostid"?

Why my output from "hostid " switch around "0a799228", "0a799a28", "0a799328" 
randomly?

Here are lists of my "hostid" information, if any other information needed, 
please just mail me directly.

Hope to get you reply soon, thanks.

address@hidden ~]$ hostid
0a799228
address@hidden ~]$ hostid
0a799a28
address@hidden ~]$ hostid
0a799328
address@hidden ~]$ rpm -q coreutils
coreutils-8.4-19.el6.i686
address@hidden ~]$ rpm -q centos-release
centos-release-6-3.el6.centos.9.i686
address@hidden ~]$ which hostid
/usr/bin/hostid
address@hidden ~]$ ldd /usr/bin/hostid 
    linux-gate.so.1 =>  (0x00dc0000)
    libc.so.6 => /lib/libc.so.6 (0x00902000)
    /lib/ld-linux.so.2 (0x008dc000)
address@hidden ~]$