gdb plymouth-upstart-bridge in L2

[L2 ~]$gdb /bin/plymouth-upstart-bridge
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Reading symbols from /bin/plymouth-upstart-bridge...(no debugging symbols found)...done.
(gdb) r
Starting program: /bin/plymouth-upstart-bridge
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/aarch64-linux-gnu/libthread_db.so.1".
[Inferior 1 (process 1908) exited with code 01]
(gdb)