I ran lxc list twice, and it crashed half way through the second run. This is what I get on crash time:
Nov 21 06:56:30 Hub lxd[69218]: fatal error: unexpected signal during runtime execution
Nov 21 06:56:30 Hub lxd[69218]: [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x7f1d92760503]
Nov 21 06:56:30 Hub lxd[69218]: runtime stack:
Nov 21 06:56:30 Hub lxd[69218]: runtime.throw(0xffd87f, 0x2a)
Nov 21 06:56:30 Hub lxd[69218]: /usr/lib/go-1.10/src/runtime/panic.go:616 +0x81
Nov 21 06:56:30 Hub lxd[69218]: runtime.sigpanic()
Nov 21 06:56:30 Hub lxd[69218]: /usr/lib/go-1.10/src/runtime/signal_unix.go:372 +0x28e
Nov 21 06:56:30 Hub lxd[69218]: goroutine 37645 [syscall]:
Nov 21 06:56:30 Hub lxd[69218]: runtime.cgocall(0xdabfb2, 0xc420a07708, 0xc420a07710)
Nov 21 06:56:30 Hub lxd[69218]: /usr/lib/go-1.10/src/runtime/cgocall.go:128 +0x64 fp=0xc420a076d8 sp=0xc420a076a0 pc=0x40c4f4
Nov 21 06:56:30 Hub lxd[69218]: gopkg.in/lxc/go-lxc%2ev2._Cfunc_go_lxc_get_cgroup_item(0x7f1d400114a0, 0x7f1d1c0150b0, 0x0)
Nov 21 06:56:30 Hub lxd[69218]: _cgo_gotypes.go:638 +0x4e fp=0xc420a07708 sp=0xc420a076d8 pc=0x8f134e
Nov 21 06:56:30 Hub lxd[69218]: gopkg.in/lxc/go-lxc%2ev2.(*Container).cgroupItem.func2(0x7f1d400114a0, 0x7f1d1c0150b0, 0x7f1d1c0150b0)
Nov 21 06:56:30 Hub lxd[69218]: /build/lxd-Rxo8GA/lxd-3.0.2/obj-x86_64-linux-gnu/src/gopkg.in/lxc/go-lxc.v2/container.go:780 +0x60 fp=0xc420a07740 sp=0xc420a07708 pc=0x901650
Nov 21 06:56:30 Hub lxd[69218]: gopkg.in/lxc/go-lxc%2ev2.(*Container).cgroupItem(0xc4206499e0, 0xfd43e9, 0xc, 0x0, 0x0, 0x0)
Nov 21 06:56:30 Hub lxd[69218]: /build/lxd-Rxo8GA/lxd-3.0.2/obj-x86_64-linux-gnu/src/gopkg.in/lxc/go-lxc.v2/container.go:780 +0x93 fp=0xc420a07798 sp=0xc420a07740 pc=0x8f7d23
Nov 21 06:56:30 Hub lxd[69218]: gopkg.in/lxc/go-lxc%2ev2.(*Container).CgroupItem(0xc4206499e0, 0xfd43e9, 0xc, 0x0, 0x0, 0x0)
Nov 21 06:56:30 Hub lxd[69218]: /build/lxd-Rxo8GA/lxd-3.0.2/obj-x86_64-linux-gnu/src/gopkg.in/lxc/go-lxc.v2/container.go:805 +0x8a fp=0xc420a077d8 sp=0xc420a07798 pc=0x8f7fda
Nov 21 06:56:30 Hub lxd[69218]: main.(*containerLXC).CGroupGet(0xc4200d8200, 0xfd43e9, 0xc, 0x0, 0x5dc, 0xc42047bed0, 0x2)
Nov 21 06:56:30 Hub lxd[69218]: /build/lxd-Rxo8GA/lxd-3.0.2/obj-x86_64-linux-gnu/src/github.com/lxc/lxd/lxd/container_lxc.go:3528 +0x8b fp=0xc420a07820 sp=0xc420a077d8 pc=0xbdfb4b
Nov 21 06:56:30 Hub lxd[69218]: main.(*containerLXC).processesState(0xc4200d8200, 0xc420a18390)
Nov 21 06:56:30 Hub lxd[69218]: /build/lxd-Rxo8GA/lxd-3.0.2/obj-x86_64-linux-gnu/src/github.com/lxc/lxd/lxd/container_lxc.go:5976 +0x39a fp=0xc420a078f8 sp=0xc420a07820 pc=0xbfb5ba
Nov 21 06:56:30 Hub lxd[69218]: main.(*containerLXC).RenderState(0xc4200d8200, 0xc4209c2254, 0xf, 0x10f9e60)
Nov 21 06:56:30 Hub lxd[69218]: /build/lxd-Rxo8GA/lxd-3.0.2/obj-x86_64-linux-gnu/src/github.com/lxc/lxd/lxd/container_lxc.go:3081 +0x91d fp=0xc420a07a20 sp=0xc420a078f8 pc=0xbdafbd
Nov 21 06:56:30 Hub lxd[69218]: main.containerState(0xc420304f70, 0xc420182800, 0xfc8d73, 0x3)
Nov 21 06:56:30 Hub lxd[69218]: /build/lxd-Rxo8GA/lxd-3.0.2/obj-x86_64-linux-gnu/src/github.com/lxc/lxd/lxd/container_state.go:32 +0x1a7 fp=0xc420a07ab0 sp=0xc420a07a20 pc=0xc21847
Nov 21 06:56:30 Hub lxd[69218]: main.(*Daemon).createCmd.func1(0x10e58a0, 0xc420514700, 0xc420182800)
Nov 21 06:56:30 Hub lxd[69218]: /build/lxd-Rxo8GA/lxd-3.0.2/obj-x86_64-linux-gnu/src/github.com/lxc/lxd/lxd/daemon.go:290 +0x78a fp=0xc420a07bd8 sp=0xc420a07ab0 pc=0xd8509a
Nov 21 06:56:30 Hub lxd[69218]: net/http.HandlerFunc.ServeHTTP(0xc4201c04b0, 0x10e58a0, 0xc420514700, 0xc420182800)
Nov 21 06:56:30 Hub lxd[69218]: /usr/lib/go-1.10/src/net/http/server.go:1947 +0x44 fp=0xc420a07c00 sp=0xc420a07bd8 pc=0x695dc4
Nov 21 06:56:30 Hub lxd[69218]: github.com/gorilla/mux.(*Router).ServeHTTP(0xc420246000, 0x10e58a0, 0xc420514700, 0xc420182800)
Nov 21 06:56:30 Hub lxd[69218]: /build/lxd-Rxo8GA/lxd-3.0.2/obj-x86_64-linux-gnu/src/github.com/gorilla/mux/mux.go:162 +0xed fp=0xc420a07d00 sp=0xc420a07c00 pc=0x6fe5ed
Nov 21 06:56:30 Hub lxd[69218]: main.(*lxdHttpServer).ServeHTTP(0xc4200adfd0, 0x10e58a0, 0xc420514700, 0xc420414300)
Nov 21 06:56:30 Hub lxd[69218]: /build/lxd-Rxo8GA/lxd-3.0.2/obj-x86_64-linux-gnu/src/github.com/lxc/lxd/lxd/api.go:76 +0xa4 fp=0xc420a07d58 sp=0xc420a07d00 pc=0xb91be4
Nov 21 06:56:30 Hub lxd[69218]: net/http.serverHandler.ServeHTTP(0xc4201bc1a0, 0x10e58a0, 0xc420514700, 0xc420414300)
Nov 21 06:56:30 Hub lxd[69218]: /usr/lib/go-1.10/src/net/http/server.go:2697 +0xbc fp=0xc420a07d88 sp=0xc420a07d58 pc=0x698afc
Nov 21 06:56:30 Hub lxd[69218]: net/http.(*conn).serve(0xc42047e320, 0x10e8120, 0xc420576d80)
Nov 21 06:56:30 Hub lxd[69218]: /usr/lib/go-1.10/src/net/http/server.go:1830 +0x651 fp=0xc420a07fc8 sp=0xc420a07d88 pc=0x694de1
Nov 21 06:56:30 Hub lxd[69218]: runtime.goexit()
Nov 21 06:56:30 Hub lxd[69218]: /usr/lib/go-1.10/src/runtime/asm_amd64.s:2361 +0x1 fp=0xc420a07fd0 sp=0xc420a07fc8 pc=0x463091
Nov 21 06:56:30 Hub lxd[69218]: created by net/http.(*Server).Serve
Nov 21 06:56:30 Hub lxd[69218]: /usr/lib/go-1.10/src/net/http/server.go:2798 +0x27b