Move stderr redirection to sysctl command instead of grep, to prevent errors displaying on screen

include/tests_networking

@@ -45,7 +45,7 @@
         IPV6_ONLY=255
         IPV6_MISCONFIGURED=0
         IPV6_MISCONFIGURED_MTU=0
-        FIND=`sysctl -a | grep "^net.ipv6" 2> /dev/null | sed "s/ = /=/"`
+        FIND=`sysctl -a 2> /dev/null | grep "^net.ipv6" | sed "s/ = /=/"`
         if [ ! "${FIND}" = "" ]; then
             IPV6_CONFIGURED=1
             for I in ${FIND}; do