show ipv6 interfaces prints v4 label

[mchomnic]

Description

IPv6 table summary prints IPv4 label in column header.

Steps to reproduce the issue

1. execute command: show ipv6 interfaces

Describe the results you received

Interface    Master    IPv4 address/mask                       Admin/Oper    BGP Neighbor    Neighbor IP
-----------  --------  --------------------------------------  ------------  --------------  -------------
Bridge                 fe80::d0d6:c7ff:fe36:aa7d%Bridge/64     up/down       N/A             N/A
Ethernet0              fe80::290:fbff:fe6e:647d%Ethernet0/64   up/up         N/A             N/A
Ethernet4              fe80::290:fbff:fe6e:647d%Ethernet4/64   up/up         N/A             N/A

Describe the results you expected

Additional information you deem important (e.g. issue happens only occasionally)

Output of show version

admin@sonic:~$ show version

SONiC Software Version: SONiC.master.15330-dirty-20210516.144534
Distribution: Debian 10.9
Kernel: 4.19.0-12-2-amd64
Build commit: ea803257
Build date: Sun May 16 14:54:14 UTC 2021
Built by: AzDevOps@sonic-build-workers-0009PE