ioctl(5, HCIDEVUP, 0) = -1 EALREADY (Operation already in progress) close(5) = 0 poll([{fd=4, events=POLLIN|POLLHUP}], 1, -1) = 1 ([{fd=4, revents=POLLIN}]) read(4, "\5\0\0\0\2\1\0\0", 8) = 8 poll([{fd=4, events=POLLIN|POLLHUP}], 1, -1) = 1 ([{fd=4, revents=POLLIN}]) read(4, "\6\0\0\0\2\0\0\0", 8) = 8 open("/sys/class/rfkill/rfkill6/name", O_RDONLY) = 5 read(5, "hci0\n", 4095) = 5 close(5) = 0 socket(AF_BLUETOOTH, SOCK_RAW, 1) = 5 ioctl(5, HCIGETDEVINFO, 0xffe2f364) = 0 close(5) = 0 poll([{fd=4, events=POLLIN|POLLHUP}], 1, -1) = 1 ([{fd=4, revents=POLLIN}]) read(4, "\0\0\0\0\2\2\1\0", 8) = 8 gettimeofday({tv_sec=1548146004, tv_usec=363081}, NULL) = 0 send(3, "<30>Jan 22 13:33:24 bluetooth_rf"..., 111, MSG_NOSIGNAL) = 111 pipe([5, 6]) = 0 pipe([7, 8]) = 0 pipe([9, 10]) = 0 fcntl64(5, F_GETFL) = 0 (flags O_RDONLY) fcntl64(5, F_SETFL, O_RDONLY|O_NONBLOCK) = 0 fcntl64(6, F_GETFL) = 0x1 (flags O_WRONLY) fcntl64(6, F_SETFL, O_WRONLY|O_NONBLOCK) = 0 fcntl64(7, F_GETFL) = 0 (flags O_RDONLY) fcntl64(7, F_SETFL, O_RDONLY|O_NONBLOCK) = 0 fcntl64(8, F_GETFL) = 0x1 (flags O_WRONLY) fcntl64(8, F_SETFL, O_WRONLY|O_NONBLOCK) = 0 fcntl64(9, F_GETFL) = 0 (flags O_RDONLY) fcntl64(9, F_SETFL, O_RDONLY|O_NONBLOCK) = 0 fcntl64(10, F_GETFL) = 0x1 (flags O_WRONLY) fcntl64(10, F_SETFL, O_WRONLY|O_NONBLOCK) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0xf6c54278) = 8182 close(5) = 0 close(8) = 0 close(10) = 0 _newselect(10, [7 9], NULL, NULL, {tv_sec=1, tv_usec=0}) = 1 (in [7], left {tv_sec=0, tv_usec=968589}) read(7, "8124\n", 4096) = 5 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8182, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- wait4(8182, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], WNOHANG, NULL) = 8182 close(6) = 0 close(7) = 0 close(9) = 0 pipe([5, 6]) = 0 pipe([7, 8]) = 0 pipe([9, 10]) = 0 fcntl64(5, F_GETFL) = 0 (flags O_RDONLY) fcntl64(5, F_SETFL, O_RDONLY|O_NONBLOCK) = 0 fcntl64(6, F_GETFL) = 0x1 (flags O_WRONLY) fcntl64(6, F_SETFL, O_WRONLY|O_NONBLOCK) = 0 fcntl64(7, F_GETFL) = 0 (flags O_RDONLY) fcntl64(7, F_SETFL, O_RDONLY|O_NONBLOCK) = 0 fcntl64(8, F_GETFL) = 0x1 (flags O_WRONLY) fcntl64(8, F_SETFL, O_WRONLY|O_NONBLOCK) = 0 fcntl64(9, F_GETFL) = 0 (flags O_RDONLY) fcntl64(9, F_SETFL, O_RDONLY|O_NONBLOCK) = 0 fcntl64(10, F_GETFL) = 0x1 (flags O_WRONLY) fcntl64(10, F_SETFL, O_WRONLY|O_NONBLOCK) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0xf6c54278) = 8183 close(5) = 0 close(8) = 0 close(10) = 0 _newselect(10, [7 9], NULL, NULL, {tv_sec=1, tv_usec=0}) = 0 (Timeout) wait4(8183, 0xffe2d2ec, WNOHANG, NULL) = 0 _newselect(10, [7 9], NULL, NULL, {tv_sec=1, tv_usec=0}) = 0 (Timeout) wait4(8183, 0xffe2d2ec, WNOHANG, NULL) = 0 _newselect(10, [7 9], NULL, NULL, {tv_sec=1, tv_usec=0}) = 0 (Timeout) wait4(8183, 0xffe2d2ec, WNOHANG, NULL) = 0 _newselect(10, [7 9], NULL, NULL, {tv_sec=1, tv_usec=0}) = 0 (Timeout) wait4(8183, 0xffe2d2ec, WNOHANG, NULL) = 0 _newselect(10, [7 9], NULL, NULL, {tv_sec=1, tv_usec=0}) = 0 (Timeout) wait4(8183, 0xffe2d2ec, WNOHANG, NULL) = 0 _newselect(10, [7 9], NULL, NULL, {tv_sec=1, tv_usec=0}) = 0 (Timeout) wait4(8183, 0xffe2d2ec, WNOHANG, NULL) = 0 _newselect(10, [7 9], NULL, NULL, {tv_sec=1, tv_usec=0}) = 0 (Timeout)