Using `ExecStop=/bin/kill -s QUIT $MAINPID` as a stop service it seems go-ipfs crashes

```
Aug 13 12:16:51 localhost systemd[1]: Stopping IPFS daemon...
Aug 13 12:16:51 localhost ipfs[1696]: SIGQUIT: quit
Aug 13 12:16:51 localhost ipfs[1696]: PC=0x71298 m=0 sigcode=0
Aug 13 12:16:51 localhost ipfs[1696]: goroutine 0 [idle]:
Aug 13 12:16:51 localhost ipfs[1696]: runtime.futex(0x1072610, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1072610, 0x0, 0x0, 0x4370c, ...)
Aug 13 12:16:51 localhost ipfs[1696]: #011/usr/lib/go/src/runtime/sys_linux_arm.s:266 +0x1c
Aug 13 12:16:51 localhost ipfs[1696]: runtime.futexsleep(0x1072610, 0x0, 0xffffffff, 0xffffffff)
Aug 13 12:16:51 localhost ipfs[1696]: #011/usr/lib/go/src/runtime/os_linux.go:45 +0x74
Aug 13 12:16:51 localhost ipfs[1696]: runtime.notesleep(0x1072610)
Aug 13 12:16:51 localhost ipfs[1696]: #011/usr/lib/go/src/runtime/lock_futex.go:151 +0xac
Aug 13 12:16:51 localhost ipfs[1696]: runtime.stoplockedm()
Aug 13 12:16:51 localhost ipfs[1696]: #011/usr/lib/go/src/runtime/proc.go:2101 +0x64
Aug 13 12:16:51 localhost ipfs[1696]: runtime.schedule()
Aug 13 12:16:51 localhost ipfs[1696]: #011/usr/lib/go/src/runtime/proc.go:2493 +0x288
Aug 13 12:16:51 localhost ipfs[1696]: runtime.park_m(0x1177efc0)
Aug 13 12:16:51 localhost ipfs[1696]: #011/usr/lib/go/src/runtime/proc.go:2604 +0x90
Aug 13 12:16:51 localhost ipfs[1696]: runtime.mcall(0x0)
Aug 13 12:16:51 localhost ipfs[1696]: #011/usr/lib/go/src/runtime/asm_arm.s:285 +0x5c
Aug 13 12:16:51 localhost ipfs[1696]: goroutine 1 [select, 1 minutes]:
```