panic: header.ScopeForIPv6Address(172.20.20.170): bad address

goroutine 269369 [running]:
panic(0x16d9020, 0xc0072969f0)
	GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc0049a85f8 sp=0xc0049a8540 pc=0x439090
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).acquireOutgoingPrimaryAddressRLocked(0xc0001741c0, 0xc08c04228c, 0x4, 0x44a500, 0x44a665, 0x156dca0)
	pkg/tcpip/network/ipv6/ipv6.go:1339 +0x3ec fp=0xc0049a86f0 sp=0xc0049a85f8 pc=0xf2e62c
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).AcquireOutgoingPrimaryAddress(0xc0001741c0, 0xc08c04228c, 0x4, 0x7f9e387bdf00, 0x0, 0x0)
	pkg/tcpip/network/ipv6/ipv6.go:1293 +0xd5 fp=0xc0049a8780 sp=0xc0049a86f0 pc=0xf2e1d5
gvisor.dev/gvisor/pkg/tcpip/stack.(*NIC).primaryEndpoint(0xc0006b8a80, 0x86dd, 0xc08c04228c, 0x4, 0xc000276100, 0x1a9b400)
	pkg/tcpip/stack/nic.go:340 +0x16a fp=0xc0049a87f8 sp=0xc0049a8780 pc=0xc52f4a
gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).getAddressEP(0xc0009ae580, 0xc0006b8a80, 0x0, 0x0, 0xc08c04228c, 0x4, 0xc0000086dd, 0x0, 0x0)
	pkg/tcpip/stack/stack.go:1212 +0x6f fp=0xc0049a8868 sp=0xc0049a87f8 pc=0xc669ef
gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).FindRoute(0xc0009ae580, 0xc000000000, 0x0, 0x0, 0xc08c04228c, 0x4, 0x86dd, 0x0, 0x0)
	pkg/tcpip/stack/stack.go:1362 +0xec5 fp=0xc0049a8bd8 sp=0xc0049a8868 pc=0xc68045
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).write(0xc006c48380, 0x1a7d800, 0xc0006694f0, 0xc007285660, 0xc08c000000, 0xc0072af3c4, 0xc00065ed80, 0x40fcf8)
	pkg/tcpip/transport/raw/endpoint.go:336 +0x27c fp=0xc0049a8d20 sp=0xc0049a8bd8 pc=0xe917fc
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).Write(0xc006c48380, 0x1a7d800, 0xc0006694f0, 0xc007285660, 0xc08c000000, 0x4, 0xc0076d4e22, 0xffff0002)
	pkg/tcpip/transport/raw/endpoint.go:230 +0xa5 fp=0xc0049a8d90 sp=0xc0049a8d20 pc=0xe912a5
gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*socketOpsCommon).SendMsg(0xc088f1e4f0, 0xc0072aea80, 0x1a98d80, 0xc0076dc000, 0x0, 0x1, 0x20000c80, 0x49, 0x100, 0xc08c042290, ...)
	pkg/sentry/socket/netstack/netstack.go:2870 +0x23d fp=0xc0049a9128 sp=0xc0049a8d90 pc=0xf5d63d
gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*SocketVFS2).SendMsg(0xc088f1e480, 0xc0072aea80, 0x1a98d80, 0xc0076dc000, 0x0, 0x1, 0x20000c80, 0x49, 0x100, 0xc08c042290, ...)
	<autogenerated>:1 +0x178 fp=0xc0049a92e8 sp=0xc0049a9128 pc=0xf72258
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.sendSingleMsg(0xc0072aea80, 0x7f9e0af45a98, 0xc088f1e480, 0xc088f1e480, 0x20000d80, 0x2b1800004040, 0xc0072af3c4, 0x10, 0x90)
	pkg/sentry/syscalls/linux/vfs2/socket.go:1056 +0x41a fp=0xc0049a9618 sp=0xc0049a92e8 pc=0x130a35a
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.SendMMsg(0xc0072aea80, 0x4, 0x20000d80, 0x1, 0x4040, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/socket.go:980 +0x31a fp=0xc0049a9730 sp=0xc0049a9618 pc=0x1309b7a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0072aea80, 0x133, 0x4, 0x20000d80, 0x1, 0x4040, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/kernel/task_syscall.go:104 +0x453 fp=0xc0049a99d0 sp=0xc0049a9730 pc=0xd60033
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0072aea80, 0x133, 0x4, 0x20000d80, 0x1, 0x4040, 0x0, 0x0, 0x408638, 0xc0072af35f)
	pkg/sentry/kernel/task_syscall.go:239 +0xba fp=0xc0049a9ab0 sp=0xc0049a99d0 pc=0xd617ba
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0072aea80, 0x133, 0x4, 0x20000d80, 0x1, 0x4040, 0x0, 0x0, 0x1372fcb, 0x2d13694)
	pkg/sentry/kernel/task_syscall.go:199 +0x10f fp=0xc0049a9b60 sp=0xc0049a9ab0 pc=0xd610cf
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0072aea80, 0x2, 0xc0072aea80)
	pkg/sentry/kernel/task_syscall.go:174 +0x1ea fp=0xc0049a9ca0 sp=0xc0049a9b60 pc=0xd6086a
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0072aea80, 0x1a6fca0, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0x12a7 fp=0xc0049a9ed8 sp=0xc0049a9ca0 pc=0xd4c1e7
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0072aea80, 0x29ac)
	pkg/sentry/kernel/task_run.go:97 +0x398 fp=0xc0049a9fd0 sp=0xc0049a9ed8 pc=0xd4a318
runtime.goexit()
	src/runtime/asm_amd64.s:1374 +0x1 fp=0xc0049a9fd8 sp=0xc0049a9fd0 pc=0x4745e1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:323 +0x1a5