Why docker daemon crashes with the following message "fatal error: unexpected signal during runtime execution" ?

Issue

• Why docker daemon crashes with the following message "fatal error: unexpected signal during runtime execution" ?

snip the logs:

Feb 24 18:38:07 dockerhost dockerd-current[12676]: fatal error: unexpected signal during runtime execution
Feb 24 18:38:07 dockerhost dockerd-current[12676]: [signal SIGSEGV: segmentation violation code=0x2 addr=0x7fc33721f7b0 pc=0x7fc335db0f6c]
Feb 24 18:38:07 dockerhost dockerd-current[12676]: runtime stack:
Feb 24 18:38:07 dockerhost dockerd-current[12676]: runtime.throw(0x190e4d3, 0x2a)
Feb 24 18:38:07 dockerhost dockerd-current[12676]: /opt/rh/go-toolset-7/root/usr/lib/go-toolset-7-golang/src/runtime/panic.go:616 +0x81 fp=0x7ffe06454ce8 sp=0x7ffe06454cc8 pc=0x43ec31
Feb 24 18:38:07 dockerhost dockerd-current[12676]: runtime.sigpanic()
Feb 24 18:38:07 dockerhost dockerd-current[12676]: /opt/rh/go-toolset-7/root/usr/lib/go-toolset-7-golang/src/runtime/signal_unix.go:372 +0x28e fp=0x7ffe06454d38 sp=0x7ffe06454ce8 pc=0x4545de
Feb 24 18:38:07 dockerhost dockerd-current[12676]: goroutine 205129188 [syscall]:
Feb 24 18:38:07 dockerhost dockerd-current[12676]: runtime.cgocall(0x13f44c0, 0xc422464ea0, 0x29)
Feb 24 18:38:07 dockerhost dockerd-current[12676]: /opt/rh/go-toolset-7/root/usr/lib/go-toolset-7-golang/src/runtime/cgocall.go:128 +0x64 fp=0xc422464e60 sp=0xc422464e28 pc=0x414ec4
Feb 24 18:38:07 dockerhost dockerd-current[12676]: github.com/docker/docker/daemon/logger/journald._Cfunc_wait_for_data_cancelable(0x7fc1e40015b0, 0x7fc100000378, 0x0)
Feb 24 18:38:07 dockerhost dockerd-current[12676]: _cgo_gotypes.go:444 +0x4d fp=0xc422464ea0 sp=0xc422464e60 pc=0x118e58d
Feb 24 18:38:07 dockerhost dockerd-current[12676]: github.com/docker/docker/daemon/logger/journald.(*journald).followJournal.func1.2(0x7fc1e40015b0, 0xc400000378, 0x0)
Feb 24 18:38:07 dockerhost dockerd-current[12676]: /builddir/build/BUILD/docker-07f3374cf1b29aadf824d8b8dcbf6e63403689c6/_build/src/github.com/docker/docker/daemon/logger/journald/read.go:344 +0x5e fp=0xc422464ed8 sp=0xc422464ea0 pc=0x11915ae
Feb 24 18:38:07 dockerhost dockerd-current[12676]: github.com/docker/docker/daemon/logger/journald.(*journald).followJournal.func1(0x7fc1e40015b0, 0x109c00000378, 0xc4226f1a20, 0xc424d125d0, 0x0, 0xe7791f700, 0x2560640, 0x1388, 0x1, 0xc420582f98, ...)
Feb 24 18:38:07 dockerhost dockerd-current[12676]: /builddir/build/BUILD/docker-07f3374cf1b29aadf824d8b8dcbf6e63403689c6/_build/src/github.com/docker/docker/daemon/logger/journald/read.go:344 +0x6d fp=0xc422464f88 sp=0xc422464ed8 pc=0x119163d
Feb 24 18:38:07 dockerhost dockerd-current[12676]: runtime.goexit()
Feb 24 18:38:07 dockerhost dockerd-current[12676]: /opt/rh/go-toolset-7/root/usr/lib/go-toolset-7-golang/src/runtime/asm_amd64.s:2361 +0x1 fp=0xc422464f90 sp=0xc422464f88 pc=0x46e231
Feb 24 18:38:07 dockerhost dockerd-current[12676]: created by github.com/docker/docker/daemon/logger/journald.(*journald).followJournal
Feb 24 18:38:07 dockerhost dockerd-current[12676]: /builddir/build/BUILD/docker-07f3374cf1b29aadf824d8b8dcbf6e63403689c6/_build/src/github.com/docker/docker/daemon/logger/journald/read.go:338 +0x194
Feb 24 18:38:07 dockerhost dockerd-current[12676]: goroutine 1 [chan receive, 15370 minutes]: