Note that udev has seen the device, and indeed as you can use manual mount of /dev/sda1 has made the devices:
UDEV [1256891017.380067] add /devices/pci0000:00/0000:00:1f.1/host0/target0:0:0/0:0:0:0/block/sda/sda1 (block)
So that looks like blkid is the issue here.
Note that udev has seen the device, and indeed as you can use manual mount of /dev/sda1 has made the devices:
UDEV [1256891017.380067] add /devices/ pci0000: 00/0000: 00:1f.1/ host0/target0: 0:0/0:0: 0:0/block/ sda/sda1 (block)
So that looks like blkid is the issue here.