strace: Process 155 attached with 10 threads
strace: Process 562 attached
strace: Process 563 attached
strace: Process 564 attached
strace: Process 565 attached
strace: Process 155 detached
strace: Process 239 detached
strace: Process 266 detached
strace: Process 267 detached
strace: Process 268 detached
strace: Process 274 detached
strace: Process 275 detached
strace: Process 276 detached
strace: Process 277 detached
strace: Process 284 detached