I have the same problem rebooting the system after an OS installationCisco IOS XE Software, Version 03.18.04.SP.156-2.SP4-ext%IOSXEBOOT-4-FILESYS_ERRORS_CORRECTED: (rp/0): bootflash 1 contained errors which were auto-corrected.%IOSXEBOOT-4-FILESYS_ER...