[Bug 1810844] Re: libknet-dev universe dependency

[Andreas Hasenack]

** Description changed:

  corosync is a sync from debian, and in version 3.0.0-1 they added a
  dependency on libknet-dev (kronos net). In Ubuntu, libknet-dev is in
  universe.
  
  https://salsa.debian.org/ha-team/corosync/commit/ca28efda4c8647ba262367c076e54d4787f529e0
  https://salsa.debian.org/ha-team/corosync/commit/f69e2aa8b8f0fa3895f791a4706f7fdacb53b270
  
- I don't know at this point if this is an upstream change (deprecating
- libnss3 in favor of libknet) or just a debian change.
+ Some bits from https://github.com/corosync/corosync/wiki/Corosync-3.0.0-Release-Notes:
+ - Corosync 3.0 contains many interesting features mostly related to usage of Kronosnet (https://kronosnet.org/) as a default (and preferred) network transport.
+ - UDP/UDPU transports are still present, but supports only single ring (RRP is gone in favor of Knet) and doesn't support encryption
+ - Corosync 3 is not wire compatible with previous versions. Needle was patched so it will display warning message when receive corosync 3 packet (and vice-versa).
+ - NSS dependency removal - not needed anymore because crypto is now handled by knet, so no replacement needed. This change affects only cpgverify where packet format is changed.

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https://bugs.launchpad.net/bugs/1810844

Title:
  libknet-dev universe dependency

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