Public bug reported:

$ lsb_release -rd 
Description:    Ubuntu 20.04 LTS
Release:        20.04

$ apt-cache policy libcommons-daemon-java
libcommons-daemon-java:
  Installed: 1.0.15-8
  Candidate: 1.0.15-8
  Version table:
 *** 1.0.15-8 500
        500 http://ports.ubuntu.com/ubuntu-ports focal/universe arm64 Packages
        100 /var/lib/dpkg/status

$ uname -a
Linux ubuntu 5.4.0-1013-raspi #13-Ubuntu SMP Mon Jun 15 03:17:37 UTC 2020 
aarch64 aarch64 aarch64 GNU/Linux

Description:

When using the jsvc to start a Java daemon (Omada controller), the
following warning shows on log:

kernel: capability: warning: `jsvc' uses 32-bit capabilities (legacy
support in use)

I managed to download the source code from commons-daemon, compile and
overwrite the jsvc binary. No warnings after that.

Please note that I had to change the Makedefs file as it was not
including the linux native headers by adding  -I/usr/lib/jvm/java-11
-openjdk-arm64/include/linux to INCLUDES.

Source download: https://commons.apache.org/proper/commons-
daemon/download_daemon.cgi

Similar to #390803

** Affects: commons-daemon (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1886871

Title:
  kernel: capability: warning: `jsvc' uses 32-bit capabilities (legacy
  support in use)

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