This is fixed in Zesty and later.
procps | 2:3.3.12-1ubuntu2 | zesty | source, amd64, arm64, armhf, i386, ppc64el, s390x procps | 2:3.3.12-1ubuntu2 | artful | source, amd64, arm64, armhf, i386, ppc64el, s390x procps | 2:3.3.12-1ubuntu2 | bionic | source, amd64, arm64, armhf, i386, ppc64el, s390x
This is fixed in Zesty and later.
procps | 2:3.3.12-1ubuntu2 | zesty | source, amd64, arm64, armhf, i386, ppc64el, s390x
procps | 2:3.3.12-1ubuntu2 | artful | source, amd64, arm64, armhf, i386, ppc64el, s390x
procps | 2:3.3.12-1ubuntu2 | bionic | source, amd64, arm64, armhf, i386, ppc64el, s390x