INDEX build failed for 4.x

[Erwin Lansing]

INDEX build failed with errors:
Generating INDEX - please wait.."Makefile", line 41: warning: duplicate script for target "post-patch" ignored
sysctl: not found
"Makefile", line 616: warning: "sysctl -n net.inet.tcp.blackhole" returned non-zero status
sysctl: not found
"/local0/tmp/erwin/tindex/ports/lang/tcl84-thread/../tcl84/Makefile", line 616: warning: "sysctl -n net.inet.tcp.blackhole" returned non-zero status
sysctl: not found
"Makefile", line 616: warning: "sysctl -n net.inet.tcp.blackhole" returned non-zero status
sysctl: not found
"Makefile", line 616: warning: "sysctl -n net.inet.tcp.blackhole" returned non-zero status
 Done.
Warning: Duplicate INDEX entry: otrs-2.0.4

Committers on the hook:
ahze anray bsam clsung danfe edwin ehaupt garga glewis jmelo linimon lofi marcus mi mnag novel pav rafan seanc shaun skv thierry vanilla 

Most recent CVS update was:
U MOVED
U Tools/portbuild/scripts/dopackagestats
U databases/p5-BerkeleyDB/Makefile
U deskutils/sunbird/Makefile
U devel/Makefile
U devel/libepp-nicbr/Makefile
U devel/libepp-nicbr/distinfo
U devel/libepp-nicbr/pkg-descr
U devel/libepp-nicbr/pkg-plist
U editors/emacs-devel/Makefile
U editors/emacs-devel/pkg-plist
U editors/nvi-perl/Makefile
U java/diablo-jdk15/Makefile
U java/diablo-jdk15/distinfo
U java/diablo-jdk15/pkg-plist
U java/diablo-jdk15/files/pkg-install.in
U java/diablo-jre15/Makefile
U java/diablo-jre15/distinfo
U java/diablo-jre15/pkg-plist
U java/diablo-jre15/files/pkg-install.in
U java/javavmwrapper/files/javavm_opts.conf.dist
U lang/Makefile
U lang/linux-libg2c/Makefile
U lang/linux-libg2c/distinfo.i386
U lang/linux-libg2c/pkg-descr
U lang/php_doc/Makefile
U lang/php_doc/distinfo
U mail/thunderbird/Makefile
U www/Makefile
U www/firefox/Makefile
U www/mozilla/bsd.gecko.mk
U www/nvu/Makefile
U www/seamonkey/Makefile
U x11/kdebase3/Makefile
U x11/kdebase3/files/patch-post-3.5.3-screensavers