[ClusterLabs] regression in crm_node in 2.1.7/uppstream?

[Artur Novik]

Hi everybody,
I faced with a strange behavior and I since there was a lot of activity 
around crm_node structs in 2.1.7, I want to believe  that it's a 
regression rather than a new behavior by default.

"crm_node -i" occasionally, but very often, returns "*exit code 68* : 
Node is not known to cluster".

The quick test below (taken from two different clusters with pacemaker 
2.1.7 and 2.1.8):

```

[root at node1 ~]# crm_node -i
Node is not known to cluster
[root at node1 ~]# crm_node -i
1
[root at node1 ~]# crm_node -i
1
[root at node1 ~]# crm_node -i
Node is not known to cluster
[root at node1 ~]#for  i in 1 2 3 4 5 6 7;do  ssh node$i crm_node -i; done
1
2
Node is not known to cluster
Node is not known to cluster
5
Node is not known to cluster
7
[root at node1 ~]#for  i in 1 2 3 4 5 6 7;do  sleep 1; ssh node$i crm_node -i ; done
Node is not known to cluster
Node is not known to cluster
Node is not known to cluster
Node is not known to cluster
Node is not known to cluster
6
7


[root at es-brick2 ~]# crm_node -i
2
[root at es-brick2 ~]# crm_node -i
2
[root at es-brick2 ~]# crm_node -i
Node is not known to cluster
[root at es-brick2 ~]# crm_node -i
2
[root at es-brick2 ~]# rpm -qa | grep pacemaker | sort
pacemaker-2.1.8.rc2-1.el8_10.x86_64
pacemaker-cli-2.1.8.rc2-1.el8_10.x86_64
pacemaker-cluster-libs-2.1.8.rc2-1.el8_10.x86_64
pacemaker-libs-2.1.8.rc2-1.el8_10.x86_64
pacemaker-remote-2.1.8.rc2-1.el8_10.x86_64
pacemaker-schemas-2.1.8.rc2-1.el8_10.noarch

```

I checked next versions (all packages, except the last one, taken from 
rocky linux and rebuilt against corosync 3.1.8 from rocky 8.10. The 
distro itself rockylinux 8.10 too):

Pacemaker  version 	Status
2.1.5 (8.8) 	OK
2.1.6 (8.9) 	OK
2.1.7 (8.10) 	Broken
2.1.8-RC2 (upstream) 	Broken

I don't attach logs for now since I believe it could be reproduced 
absolutely on any installation.

Thanks,
A
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