[ 3008.222930] BTRFS info (device vda3): using crc32c (crc32c-generic) checksum algorithm
[ 3008.223491] BTRFS info (device vda3): using free space tree
[ 3008.226209] BTRFS info (device vda3): auto enabling async discard
[ 3008.226937] BTRFS info (device vda3): checking UUID tree
[ 3008.287112] BTRFS: device fsid 38fd8b31-c274-4b94-ba33-4a3ac8e8adfe devid 1 transid 6 /dev/vda4 scanned by mkfs.btrfs (565422)