/usr/share/maven-repo/io/netty/netty-transport/ is in libnetty-java 1:4.0.34-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/maven-repo/io/netty/netty-transport-sctp/4.0.34.Final/
/usr/share/maven-repo/io/netty/netty-transport-sctp/4.0.34.Final/netty-transport-sctp-4.0.34.Final.jar
/usr/share/maven-repo/io/netty/netty-transport-sctp/4.0.34.Final/netty-transport-sctp-4.0.34.Final.pom
/usr/share/maven-repo/io/netty/netty-transport-sctp/debian/
/usr/share/maven-repo/io/netty/netty-transport-sctp/debian/netty-transport-sctp-debian.jar
/usr/share/maven-repo/io/netty/netty-transport-sctp/debian/netty-transport-sctp-debian.pom
/usr/share/maven-repo/io/netty/netty-transport/4.0.34.Final/
/usr/share/maven-repo/io/netty/netty-transport/4.0.34.Final/netty-transport-4.0.34.Final.jar
/usr/share/maven-repo/io/netty/netty-transport/4.0.34.Final/netty-transport-4.0.34.Final.pom
/usr/share/maven-repo/io/netty/netty-transport/debian/
/usr/share/maven-repo/io/netty/netty-transport/debian/netty-transport-debian.jar
/usr/share/maven-repo/io/netty/netty-transport/debian/netty-transport-debian.pom