[root@DS-VM-Node141 ~]
# echo "00:60:2F$(dd bs=1 count=3 if=/dev/random 2>/dev/null |hexdump -v -e '/1 ":%02X"')"
[root@DS-VM-Node141 ~]
# echo "$(hexdump -n3 -e'/3 "00:60:2F" 3/1 ":%02X"' /dev/random)"
[root@DS-VM-Node141 ~]
# printf '00:60:2F:%02X:%02X:%02X\n' $[RANDOM%256] $[RANDOM%256] $[RANDOM%256]
[root@DS-VM-Node141 ~]
# echo 00:60:2f:`openssl rand -hex 3 | sed 's/\(..\)/\1:/g; s/.$//'`