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Description of problem:
ping6 ff01::1 and ff02::1 return different value

Version-Release number of selected component (if applicable):
iputils-20180629-2.el8.x86_64
4.18.0-181.el8.x86_64

How reproducible:
Always

Steps to Reproduce:
1. ping6 ff02::1 -c 1 -I lo
2. ping6 ff01::1 -c 1 -I lo
3.

Actual results:
step 1 return 1
step 2 return 2

Expected results:
both steps should return the same value

Additional info:

[root@hp-dl380pg8-12 ~]# rpm -q iputils
iputils-20180629-2.el8.x86_64
[root@hp-dl380pg8-12 ~]# uname -a
Linux hp-dl380pg8-12.rhts.eng.pek2.redhat.com 4.18.0-181.el8.x86_64 #1 SMP Thu Feb 20 18:05:29 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
[root@hp-dl380pg8-12 ~]# ping6 ff02::1 -c 1 -I lo
ping6: Warning: source address might be selected on device other than lo.
PING ff02::1(ff02::1) from :: lo: 56 data bytes
ping: sendmsg: Network is unreachable

--- ff02::1 ping statistics ---
1 packets transmitted, 0 received, 100% packet loss, time 0ms

[root@hp-dl380pg8-12 ~]# echo $?
1
[root@hp-dl380pg8-12 ~]# ping6 ff01::1 -c 1 -I lo
connect: Network is unreachable
[root@hp-dl380pg8-12 ~]# echo $?
2

After evaluating this issue, there are no plans to address it further or fix it in an upcoming release.  Therefore, it is being closed.  If plans change such that this issue will be fixed in an upcoming release, then the bug can be reopened.