SSR is showing kernel panic messages
[ 13.289646] ---[ end Kernel panic - not syncing: EXT4-fs (device dm-0): panic forced after error
"Kernel panic - not syncing: EXT4-fs (device dm-0): panic forced after error" indicate file system corruption and is a device hardware specific issue.
If reboot or manual fsck is not fixing this issue, we may need to RMA the device. Please contact Juniper Support.