panic: header.ScopeForIPv6Address(172.20.20.170): bad address

goroutine 1385954 [running]:
panic(0xfc5280, 0xc0034b9080)
	GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc0069ecf00 sp=0xc0069ece48 pc=0x437030
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).acquireOutgoingPrimaryAddressRLocked(0xc0008361c0, 0xc00060b908, 0x4, 0xc0069ed000, 0x40b80a, 0x106eaa0)
	pkg/tcpip/network/ipv6/ipv6.go:1339 +0x387 fp=0xc0069ecff8 sp=0xc0069ecf00 pc=0xb074c7
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).AcquireOutgoingPrimaryAddress(0xc0008361c0, 0xc00060b908, 0x4, 0x7f2c8706cd00, 0x0, 0x0)
	pkg/tcpip/network/ipv6/ipv6.go:1293 +0x8e fp=0xc0069ed050 sp=0xc0069ecff8 pc=0xb070ce
gvisor.dev/gvisor/pkg/tcpip/stack.(*NIC).primaryEndpoint(0xc0004cbbc0, 0x86dd, 0xc00060b908, 0x4, 0xc00079c100, 0x7f2c88972870)
	pkg/tcpip/stack/nic.go:340 +0x116 fp=0xc0069ed0a8 sp=0xc0069ed050 pc=0x92b076
gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).getAddressEP(0xc00063e000, 0xc0004cbbc0, 0x0, 0x0, 0xc00060b908, 0x4, 0x86dd, 0x0, 0x70)
	pkg/tcpip/stack/stack.go:1212 +0x58 fp=0xc0069ed0f8 sp=0xc0069ed0a8 pc=0x936f18
gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).FindRoute(0xc00063e000, 0xc000000000, 0x0, 0x0, 0xc00060b908, 0x4, 0x86dd, 0x0, 0x0)
	pkg/tcpip/stack/stack.go:1362 +0xd32 fp=0xc0069ed3a0 sp=0xc0069ed0f8 pc=0x938252
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).write(0xc0052cc380, 0x12f53a0, 0xc0054d2000, 0xc001c21cc0, 0x100, 0x105ec00, 0xc0052cc301, 0xc0054d2000)
	pkg/tcpip/transport/raw/endpoint.go:336 +0x14b fp=0xc0069ed4a8 sp=0xc0069ed3a0 pc=0xaa7c6b
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).Write(0xc0052cc380, 0x12f53a0, 0xc0054d2000, 0xc001c21cc0, 0xc000000100, 0x4, 0x4e20, 0xc08fe50002)
	pkg/tcpip/transport/raw/endpoint.go:230 +0x72 fp=0xc0069ed4f8 sp=0xc0069ed4a8 pc=0xaa7992
gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*socketOpsCommon).SendMsg(0xc00677aaf0, 0xc0048fb500, 0x1310240, 0xc003e4b000, 0xc08fe5cae0, 0x2, 0x0, 0x1070, 0x100, 0xc00060b920, ...)
	pkg/sentry/socket/netstack/netstack.go:2848 +0x19d fp=0xc0069ed7e8 sp=0xc0069ed4f8 pc=0xb25e3d
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.sendSingleMsg(0xc0048fb500, 0x7f2c8dc7da18, 0xc00677aa80, 0xc00677aa80, 0x20011a80, 0xc000004080, 0x2b0670866c70, 0xc0048fbe44, 0x10)
	pkg/sentry/syscalls/linux/vfs2/socket.go:1056 +0x3c2 fp=0xc0069eda28 sp=0xc0069ed7e8 pc=0xd9a762
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.SendMMsg(0xc0048fb500, 0x3, 0x20011a80, 0x6, 0x4080, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/socket.go:980 +0x2a6 fp=0xc0069edaf8 sp=0xc0069eda28 pc=0xd99fa6
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0048fb500, 0x133, 0x3, 0x20011a80, 0x6, 0x4080, 0x0, 0x0, 0x1, 0x11998e0, ...)
	pkg/sentry/kernel/task_syscall.go:104 +0x13c fp=0xc0069edc58 sp=0xc0069edaf8 pc=0x9cdcdc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0048fb500, 0x133, 0x3, 0x20011a80, 0x6, 0x4080, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:239 +0x66 fp=0xc0069edce0 sp=0xc0069edc58 pc=0x9ceea6
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0048fb500, 0x133, 0x3, 0x20011a80, 0x6, 0x4080, 0x0, 0x0, 0xde066e, 0xc05c98c460)
	pkg/sentry/kernel/task_syscall.go:199 +0x98 fp=0xc0069edd40 sp=0xc0069edce0 pc=0x9cea58
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0048fb500, 0x2, 0xc0048fb500)
	pkg/sentry/kernel/task_syscall.go:174 +0x15c fp=0xc0069ede10 sp=0xc0069edd40 pc=0x9ce3fc
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0048fb500, 0x12e7720, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0xc45 fp=0xc0069edf60 sp=0xc0069ede10 pc=0x9c2805
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0048fb500, 0xcd2c)
	pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc0069edfd0 sp=0xc0069edf60 pc=0x9c14cf
runtime.goexit()
	src/runtime/asm_amd64.s:1374 +0x1 fp=0xc0069edfd8 sp=0xc0069edfd0 pc=0x4705a1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:323 +0xfe