Docker load not working out of space error

[Darshit Desai]

Unable to load voxl docker it shows out of space, the following are the images of my memory table and the docker images installed on voxl1

voxl:/data$ df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/root       2.8G  2.7G   69M  98% /
devtmpfs        1.8G     0  1.8G   0% /dev
tmpfs           1.9G     0  1.9G   0% /dev/shm
tmpfs           1.9G   26M  1.9G   2% /run
tmpfs           1.9G     0  1.9G   0% /sys/fs/cgroup
tmpfs           1.9G  4.0K  1.9G   1% /var/volatile
/dev/sde11       95M   33M   63M  35% /firmware
/dev/sde12       12M  4.1M  7.4M  36% /dsp
/dev/sda3        58M   40K   57M   1% /cache
/dev/sda2       2.2M   80K  2.0M   4% /persist
/dev/sda9        15G   13G  1.8G  88% /data
tmpfs           378M     0  378M   0% /run/user/0
overlay          15G   13G  1.8G  88% /data/overlay/f0c656e52b5c2a742bb2d72aee295f11adfe0945149a94546c4ade72f2084e49/merged
shm              64M     0   64M   0% /data/containers/f0c656e52b5c2a742bb2d72aee295f11adfe0945149a94546c4ade72f2084e49/shm

Docker images

voxl:/data$ docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             VIRTUAL SIZE
rosmelodic-docker   opencv1.2           de34dc3595f2        17 months ago       2.85 GB
roskinetic-xenial   v1.0                0e12749bdc00        3 years ago         1.633 GB
hello-image         latest              efc161607398        6 years ago         2.088 kB
hello-world         latest              efc161607398        6 years ago         2.088 kB
<none>              <none>              ffc382483c5f        53 years ago        1.68 GB