Table add 255.255.255.255 bug

[isp]

Hello. I have a problem with adding 255.255.255.255 address into ipfw
table.
I can't see it i "ipfw table list"

[#south-router:/]# ipfw table 7 list
127.0.0.0/8 0
224.0.0.0/4 0
[#south-router:/]# ipfw table 7 add 255.255.255.255
[#south-router:/]# ipfw table 7 list
127.0.0.0/8 0
224.0.0.0/4 0
[#south-router:/]# ipfw table 7 add 255.255.255.255
ipfw: setsockopt(IP_FW_TABLE_XADD): File exists
[#south-router:/]# ipfw table 7 delete 255.255.255.255
[#south-router:/]# ipfw table 7 list
127.0.0.0/8 0
224.0.0.0/4 0
[#south-router:/]# uname -a
FreeBSD south-router 9.1-RELEASE-p3 FreeBSD 9.1-RELEASE-p3 #0: Tue Apr 30
20:02:00 EEST 2013     root at south:/usr/obj/usr/src/sys/SOUTH-ROUTER 
amd64

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