What device is on?
The device is a camera.
    src        edge_attr  dst
0     0  to the right of   13
1     0  to the right of    8
2     0  to the right of    5
3     0  to the right of    6
4     0  to the right of   15
..  ...              ...  ...
62   14  to the right of   11
63   15   to the left of    3
64   15   to the left of    8
65   15   to the left of   11
66   15   to the left of    0

[67 rows x 3 columns]