panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x58 pc=0x921f5f]

goroutine 59572 [running]:
gvisor.dev/gvisor/pkg/tcpip/stack.(*Route).Stats(...)
	pkg/tcpip/stack/route.go:87
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).HandlePacket(0xc00084c780, 0x0, 0x0, 0x0, 0xc0039708a0, 0x0, 0x0, 0x90, 0x0, 0x0, ...)
	pkg/tcpip/network/ipv6/ipv6.go:177 +0xaf
gvisor.dev/gvisor/pkg/tcpip/stack.handlePacket(0xc0000086dd, 0xc001eee9e0, 0x10, 0xc001eee9d0, 0x10, 0x0, 0x0, 0xc001eee9b8, 0x6, 0xc00052c280, ...)
	pkg/tcpip/stack/nic.go:1149 +0x206
gvisor.dev/gvisor/pkg/tcpip/stack.(*NIC).DeliverNetworkPacket(0xc000ed2000, 0xf67f80, 0xc00052c180, 0xc001eee9b8, 0x6, 0x0, 0x0, 0x86dd, 0x0, 0x0, ...)
	pkg/tcpip/stack/nic.go:1230 +0xb5e
gvisor.dev/gvisor/pkg/tcpip/link/channel.(*Endpoint).InjectLinkAddr(...)
	pkg/tcpip/link/channel/channel.go:212
gvisor.dev/gvisor/pkg/tcpip/link/tun.(*Device).Write(0xc00084c180, 0xc00397e000, 0x9e, 0x9e, 0x0, 0x1, 0x20000440)
	pkg/tcpip/link/tun/device.go:222 +0x334
gvisor.dev/gvisor/pkg/sentry/fs/dev.(*netTunFileOperations).Write(0xc00084c180, 0xf6bd00, 0xc003c2c000, 0xc0008026e0, 0xf66560, 0xc0039d6000, 0x0, 0x1, 0x20000440, 0x9e, ...)
	pkg/sentry/fs/dev/net_tun.go:141 +0x1da
gvisor.dev/gvisor/pkg/sentry/fs.(*overlayFileOperations).Write(0xc000c90210, 0xf6bd00, 0xc003c2c000, 0xc000802840, 0xf66560, 0xc0039d6000, 0x0, 0x1, 0x20000440, 0x9e, ...)
	pkg/sentry/fs/file_overlay.go:285 +0xa8
gvisor.dev/gvisor/pkg/sentry/fs.(*File).Writev(0xc000802840, 0xf6bd00, 0xc003c2c000, 0xf66560, 0xc0039d6000, 0x0, 0x1, 0x20000440, 0x9e, 0x100, ...)
	pkg/sentry/fs/file.go:336 +0x213
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.writev(0xc003c2c000, 0xc000802840, 0xf66560, 0xc0039d6000, 0x0, 0x1, 0x20000440, 0x9e, 0x100, 0x9e, ...)
	pkg/sentry/syscalls/linux/sys_write.go:262 +0x90
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Writev(0xc003c2c000, 0xf0, 0x2ace277b0c10, 0x1, 0x2ace277b19d0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/sys_write.go:149 +0x1cf
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc003c2c000, 0x14, 0xf0, 0x2ace277b0c10, 0x1, 0x2ace277b19d0, 0x0, 0x0, 0xc000180b10, 0xe01c20, ...)
	pkg/sentry/kernel/task_syscall.go:170 +0x122
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc003c2c000, 0x14, 0xf0, 0x2ace277b0c10, 0x1, 0x2ace277b19d0, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:291 +0x66
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc003c2c000, 0x14, 0xf0, 0x2ace277b0c10, 0x1, 0x2ace277b19d0, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:252 +0x96
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc003c2c000, 0x2, 0xc0031d0e60)
	pkg/sentry/kernel/task_syscall.go:227 +0x139
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc003c2c000, 0xf4d7c0, 0x0)
	pkg/sentry/kernel/task_run.go:258 +0xed5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc003c2c000, 0x64c)
	pkg/sentry/kernel/task_run.go:92 +0x18b
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:315 +0xfe