VyOS had an issue completing a command.

We are sorry that you encountered a problem while using VyOS.
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Report Time:      2020-08-01 08:39:48
Image Version:    VyOS 1.3-rolling-202007300117
Release Train:    equuleus

Built by:         autobuild@vyos.net
Built on:         Thu 30 Jul 2020 01:18 UTC
Build UUID:       e88082fc-8564-4571-8aba-94210d4c32ad
Build Commit ID:  09eedb0dccf687

Architecture:     x86_64
Boot via:         installed image
System type:      KVM guest

Hardware vendor:  QEMU
Hardware model:   Standard PC (i440FX + PIIX, 1996)
Hardware S/N:     
Hardware UUID:    22ea4e2a-4560-4efd-bd48-3422cb958952

Traceback (most recent call last):
  File "/usr/libexec/vyos/conf_mode/interfaces-ethernet.py", line 84, in <module>
    verify(c)
  File "/usr/libexec/vyos/conf_mode/interfaces-ethernet.py", line 47, in verify
    verify_interface_exists(ethernet)
  File "/usr/lib/python3/dist-packages/vyos/configverify.py", line 72, in verify_interface_exists
    raise ConfigError(f'Interface "{ifname}" does not exist!'
NameError: name 'ifname' is not defined