Strange contens in /var/db/etcupdate

[Slawa Olhovchenkov]

As I see in base.txz

lrwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/sys -> usr/src/sys
drwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/
drwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/
drwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/man/
drwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/nls/
drwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/openssl/
drwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/openssl/man/
drwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/openssl/man/en.ISO8859-1/
lrwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/openssl/man/en.ISO8859-15 -> en.ISO8859-1
lrwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/openssl/man/en.ISO8859-1/man1 -> ../man1
lrwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/openssl/man/en.ISO8859-1/man3 -> ../man3
lrwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/nls/POSIX -> C
lrwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/nls/en_US.US-ASCII -> C
lrwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/man/en.ISO8859-15 -> en.ISO8859-1
drwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/man/en.UTF-8/
drwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/man/en.ISO8859-1/
lrwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/man/en.ISO8859-1/man6 -> ../man6
lrwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/man/en.ISO8859-1/man1 -> ../man1
lrwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/man/en.ISO8859-1/man5 -> ../man5
lrwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/man/en.ISO8859-1/man2 -> ../man2
lrwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/man/en.ISO8859-1/man8 -> ../man8
lrwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/man/en.ISO8859-1/man7 -> ../man7
lrwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/man/en.ISO8859-1/man9 -> ../man9
lrwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/man/en.ISO8859-1/man3 -> ../man3
lrwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/man/en.ISO8859-1/man4 -> ../man4
lrwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/man/en.UTF-8/man5 -> ../man5
lrwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/man/en.UTF-8/man2 -> ../man2
lrwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/man/en.UTF-8/man8 -> ../man8
lrwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/man/en.UTF-8/man6 -> ../man6
lrwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/man/en.UTF-8/man1 -> ../man1
lrwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/man/en.UTF-8/man9 -> ../man9
lrwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/man/en.UTF-8/man3 -> ../man3
lrwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/man/en.UTF-8/man4 -> ../man4
lrwxr-xr-x  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/usr/share/man/en.UTF-8/man7 -> ../man7
drwxr-x---  0 root       wheel        0 Aug 12 18:27 ./var/db/etcupdate/current/var/crash/
-rw-r--r--  0 root       wheel        5 Aug 12 18:27 ./var/db/etcupdate/current/var/crash/minfree

Is this normal?
Or by some bug packed unwatend content?