Sosreport running on Undercloud prints error messages

Issue

• When sosreport is run on the undercloud, it completes successfully, but it prints error messages:

[plugin:openstack_horizon] regex substitution failed for '/etc/openstack-dashboard/enabled/_10_admin.pyc' with: ''utf8' codec can't decode byte 0xf3 in position 1: invalid continuation byte'
[plugin:openstack_horizon] regex substitution failed for '/etc/openstack-dashboard/enabled/_10_admin.pyo' with: ''utf8' codec can't decode byte 0xf3 in position 1: invalid continuation byte'
[plugin:openstack_horizon] regex substitution failed for '/etc/openstack-dashboard/enabled/_20_project.pyc' with: ''utf8' codec can't decode byte 0xf3 in position 1: invalid continuation byte'
[plugin:openstack_horizon] regex substitution failed for '/etc/openstack-dashboard/enabled/_20_project.pyo' with: ''utf8' codec can't decode byte 0xf3 in position 1: invalid continuation byte'
[plugin:openstack_horizon] regex substitution failed for '/etc/openstack-dashboard/enabled/_30_identity.pyc' with: ''utf8' codec can't decode byte 0xf3 in position 1: invalid continuation byte'
[plugin:openstack_horizon] regex substitution failed for '/etc/openstack-dashboard/enabled/_30_identity.pyo' with: ''utf8' codec can't decode byte 0xf3 in position 1: invalid continuation byte'
[plugin:openstack_horizon] regex substitution failed for '/etc/openstack-dashboard/enabled/_50_tuskar.pyc' with: ''utf8' codec can't decode byte 0xf3 in position 1: invalid continuation byte'
[plugin:openstack_horizon] regex substitution failed for '/etc/openstack-dashboard/enabled/_50_tuskar.pyo' with: ''utf8' codec can't decode byte 0xf3 in position 1: invalid continuation byte'
[plugin:openstack_horizon] regex substitution failed for '/etc/openstack-dashboard/enabled/_60_tuskar_boxes.pyc' with: ''utf8' codec can't decode byte 0xf3 in position 1: invalid continuation byte'
[plugin:openstack_horizon] regex substitution failed for '/etc/openstack-dashboard/enabled/_60_tuskar_boxes.pyo' with: ''utf8' codec can't decode byte 0xf3 in position 1: invalid continuation byte'
[plugin:openstack_horizon] regex substitution failed for '/etc/openstack-dashboard/enabled/_60_tuskar_sat_ui.pyc' with: ''utf8' codec can't decode byte 0xf3 in position 1: invalid continuation byte'
[plugin:openstack_horizon] regex substitution failed for '/etc/openstack-dashboard/enabled/_60_tuskar_sat_ui.pyo' with: ''utf8' codec can't decode byte 0xf3 in position 1: invalid continuation byte'
[plugin:openstack_swift] regex substitution failed for '/etc/swift/container.builder' with: ''utf8' codec can't decode byte 0x80 in position 0: invalid start byte'
[plugin:openstack_swift] regex substitution failed for '/etc/swift/container.ring.gz' with: ''utf8' codec can't decode byte 0x8b in position 1: invalid start byte'