strace: Process 155 attached with 12 threads
strace: Process 544 attached
strace: Process 545 attached
strace: Process 546 attached
strace: Process 547 attached
strace: Process 548 attached
strace: Process 555 attached
strace: Process 556 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
strace: Process 308 detached
strace: Process 314 detached