Handle exceptions due to environment issues
Handle exceptions due to environment issues

Various environment issues, i.e. credential expirations,
can cause exceptions when attempting to save the hostboot
traces.  Properly catch exceptions and log warnings to allow
the simulation to progress.

Change-Id: Ic1ca3d1f2192aaf4506fdcf15adb5c9efd795414
CQ:SW508279
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/107089
Tested-by: Jenkins Server <8e3f934e4c44875bc48d33da3ea13d93ba9a233f@us.ibm.com>
Tested-by: Jenkins OP Build CI <e610bd72261d3c0a48f1e8ae36832ab00774d426@us.ibm.com>
Tested-by: Jenkins OP HW <0eb0fff262f74a65a832afbcc7b153e391c9a3fd@us.ibm.com>
Tested-by: Jenkins Combined Simics CI <8312af3886dfc9bb930f549023677220805b137e@us.ibm.com>
Tested-by: FSP CI Jenkins <aa9e4d9ac7cd25905e9c0dd36d4150516e73dd86@us.ibm.com>
Tested-by: Hostboot CI <52521565bd8ea18a2b112942dce4f4220a97c2c8@us.ibm.com>
Reviewed-by: Luis P Fernandez <ee7e8ab5bdca369d6882c9b5e2db295382c08f39@ibm.com>
Reviewed-by: Christian R Geddes <f397583a9caa8163a06ad1128784fb67413f2fe6@us.ibm.com>
Reviewed-by: Daniel M Crowell <912029ca9254ac7b5854e56910561d682e1fa2d0@us.ibm.com>

open-power/hostboot,open-power/hostboot,open-power/hostboot,open-power/hostboot,open-power/hostboot