#0  __pthread_kill (threadid=0, signo=23) at ../nptl/sysdeps/unix/sysv/linux/pthread_kill.c:42
#1  0x00007fffbed06611 in unload_module () at chan_sip.c:35335
#2  0x0000000000537510 in ast_unload_resource (resource_name=0x7fffdc000e2e "chan_sip", force=AST_FORCE_SOFT) at loader.c:704
#3  0x00000000004d1b2e in handle_unload (e=0x8c30a8 <cli_cli+3400>, cmd=-4, a=0x7ffff525f440) at cli.c:769
#4  0x00000000004d84b8 in ast_cli_command_full (uid=0, gid=0, fd=23, s=0x7ffff525f720 "module unload chan_sip") at cli.c:2757
#5  0x00000000004d865a in ast_cli_command_multiple_full (uid=0, gid=0, fd=23, size=23, s=0x7ffff525f9e0 "module unload chan_sip") at cli.c:2783
#6  0x0000000000453e0a in netconsole (vconsole=0x8ead60 <consoles>) at asterisk.c:1554
#7  0x00000000005ffb0f in dummy_start (data=0x7fffe00021a0) at utils.c:1235
#8  0x00007ffff6518182 in start_thread (arg=0x7ffff5260700) at pthread_create.c:312
#9  0x00007ffff5afafbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111