Description of problem:
node exporter have parsing error so telemeter console and cloud.redhat.com does not show any metrics

```
oc -n openshift-monitoring exec -c node-exporter node-exporter-w62hk -- cat /var/node_exporter/textfile/virt.prom
# HELP virt_platform reports one series per detected virtualization type. If no type is detected, the type is "none".
# TYPE virt_platform gauge
virt_platform{type="none",bios_vendor="Cisco Systems\, Inc.",bios_version="C240M5.4.0.4p.0.1112191020",system_manufacturer="Cisco Systems Inc",system_product_name="UCSC-C240-M5SX",system_version="A0",baseboard_manufacturer="Cisco Systems Inc",baseboard_product_name="UCSC-C240-M5SX"} 
```

I think the error happens because fo "Cisco Systems\"

Version-Release number of selected component (if applicable):


How reproducible:
it keeps happening on bare-metal worker node from the customer site

Steps to Reproduce:
1.
2.
3.

Actual results:
2020-05-25T15:48:25.638300316Z time="2020-05-25T15:48:25Z" level=error msg="Error parsing \"/var/node_exporter/textfile/virt.prom\": text format parsing error in line 3: invalid escape sequence '\\,'" source="textfile.go:211"

Expected results:
No errors expected

Additional info: