It's possible, even likely:
Nov 9 05:07:22 Teletran kernel: ata7.15: limiting SATA link speed to 3.0 Gbps
Nov 9 05:07:27 Teletran kernel: ata7.15: softreset failed (1st FIS failed)
Nov 9 05:07:27 Teletran kernel: ata7.15: failed to reset PMP, giving up
Nov 9 05:07:27 Teletran kernel: ata7.15: Port Multiplier detaching
Nov 9 05:07:27 Teletran kernel: ata7.00: disabled
Nov 9 05:07:27 Teletran kernel: ata7.02: disabled
Nov 9 05:07:27 Teletran kernel: ata7.00: disabled
But can also be a cable issue.