/usr/ is in libnetty-java 1:3.2.6.Final-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/java/
/usr/share/java/netty-3.2.6.Final.jar
/usr/share/maven-repo/
/usr/share/maven-repo/org/
/usr/share/maven-repo/org/jboss/
/usr/share/maven-repo/org/jboss/netty/
/usr/share/maven-repo/org/jboss/netty/netty/
/usr/share/maven-repo/org/jboss/netty/netty/debian/
/usr/share/maven-repo/org/jboss/netty/netty/debian/netty-debian.pom
/usr/share/maven-repo/org/jboss/netty/netty/3.2.6.Final/
/usr/share/maven-repo/org/jboss/netty/netty/3.2.6.Final/netty-3.2.6.Final.pom
/usr/share/doc/
/usr/share/doc/libnetty-java/
/usr/share/doc/libnetty-java/changelog.Debian.gz
/usr/share/doc/libnetty-java/README.Debian
/usr/share/doc/libnetty-java/copyright
/usr/share/java/netty.jar
/usr/share/maven-repo/org/jboss/netty/netty/debian/netty-debian.jar
/usr/share/maven-repo/org/jboss/netty/netty/3.2.6.Final/netty-3.2.6.Final.jar