/usr/ is in libjenkins-remoting-java 2.4+dfsg-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/maven-repo/
/usr/share/maven-repo/org/
/usr/share/maven-repo/org/jenkins-ci/
/usr/share/maven-repo/org/jenkins-ci/main/
/usr/share/maven-repo/org/jenkins-ci/main/remoting/
/usr/share/maven-repo/org/jenkins-ci/main/remoting/2.4/
/usr/share/maven-repo/org/jenkins-ci/main/remoting/2.4/remoting-2.4.pom
/usr/share/maven-repo/org/jenkins-ci/main/remoting/2.4/remoting-2.4.jar
/usr/share/maven-repo/org/jenkins-ci/main/remoting/debian/
/usr/share/maven-repo/org/jenkins-ci/main/remoting/debian/remoting-debian.pom
/usr/share/java/
/usr/share/doc/
/usr/share/doc/libjenkins-remoting-java/
/usr/share/doc/libjenkins-remoting-java/copyright
/usr/share/doc/libjenkins-remoting-java/changelog.Debian.gz
/usr/share/maven-repo/org/jenkins-ci/main/remoting/debian/remoting-debian.jar
/usr/share/java/jenkins-remoting.jar
/usr/share/java/jenkins-remoting-2.4.jar