panic: header.ScopeForIPv6Address(172.20.20.170): bad address

goroutine 632250 [running]:
panic(0x16d8ca0, 0xc000e542b0)
	GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc006a26628 sp=0xc006a26570 pc=0x439090
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).acquireOutgoingPrimaryAddressRLocked(0xc000dca1c0, 0xc019e424d0, 0x4, 0x44a500, 0x44a665, 0x156d900)
	pkg/tcpip/network/ipv6/ipv6.go:1339 +0x3ec fp=0xc006a26720 sp=0xc006a26628 pc=0xf2e70c
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).AcquireOutgoingPrimaryAddress(0xc000dca1c0, 0xc019e424d0, 0x4, 0x7fabd37e0400, 0x0, 0x0)
	pkg/tcpip/network/ipv6/ipv6.go:1293 +0xd5 fp=0xc006a267b0 sp=0xc006a26720 pc=0xf2e2b5
gvisor.dev/gvisor/pkg/tcpip/stack.(*NIC).primaryEndpoint(0xc00025af00, 0x86dd, 0xc019e424d0, 0x4, 0xc000bbc000, 0x1a9ac00)
	pkg/tcpip/stack/nic.go:340 +0x16a fp=0xc006a26828 sp=0xc006a267b0 pc=0xc5302a
gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).getAddressEP(0xc000c3c000, 0xc00025af00, 0x0, 0x0, 0xc019e424d0, 0x4, 0xc0000086dd, 0x0, 0x0)
	pkg/tcpip/stack/stack.go:1212 +0x6f fp=0xc006a26898 sp=0xc006a26828 pc=0xc66acf
gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).FindRoute(0xc000c3c000, 0xc000000000, 0x0, 0x0, 0xc019e424d0, 0x4, 0x86dd, 0x0, 0x0)
	pkg/tcpip/stack/stack.go:1362 +0xec5 fp=0xc006a26c08 sp=0xc006a26898 pc=0xc68125
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).write(0xc003f488c0, 0x1a7d000, 0xc1033d6730, 0xc002f42ba0, 0xc019000100, 0xc00504fe44, 0xc003a9adb0, 0x40fcf8)
	pkg/tcpip/transport/raw/endpoint.go:336 +0x27c fp=0xc006a26d50 sp=0xc006a26c08 pc=0xe918dc
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).Write(0xc003f488c0, 0x1a7d000, 0xc1033d6730, 0xc002f42ba0, 0xc019000100, 0x4, 0xc012140000, 0xffff0002)
	pkg/tcpip/transport/raw/endpoint.go:230 +0xa5 fp=0xc006a26dc0 sp=0xc006a26d50 pc=0xe91385
gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*socketOpsCommon).SendMsg(0xc00c6d41f0, 0xc00504f500, 0x1a98580, 0xc012147000, 0xc0002fc140, 0xa, 0x0, 0x1466, 0x100, 0xc002e25c80, ...)
	pkg/sentry/socket/netstack/netstack.go:2848 +0x23d fp=0xc006a27158 sp=0xc006a26dc0 pc=0xf5d71d
gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*SocketVFS2).SendMsg(0xc00c6d4180, 0xc00504f500, 0x1a98580, 0xc012147000, 0xc0002fc140, 0xa, 0x0, 0x1466, 0x100, 0xc002e25c80, ...)
	<autogenerated>:1 +0x178 fp=0xc006a27318 sp=0xc006a27158 pc=0xf71cf8
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.sendSingleMsg(0xc00504f500, 0x7fabd83c2398, 0xc00c6d4180, 0xc00c6d4180, 0x20001700, 0x80, 0x0, 0xc000150088, 0x26836068)
	pkg/sentry/syscalls/linux/vfs2/socket.go:1056 +0x41a fp=0xc006a27648 sp=0xc006a27318 pc=0x1309dfa
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.SendMsg(0xc00504f500, 0x3, 0x20001700, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/socket.go:934 +0x2c6 fp=0xc006a27730 sp=0xc006a27648 pc=0x1309146
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00504f500, 0x2e, 0x3, 0x20001700, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/kernel/task_syscall.go:104 +0x453 fp=0xc006a279d0 sp=0xc006a27730 pc=0xd60113
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00504f500, 0x2e, 0x3, 0x20001700, 0x80, 0x0, 0x0, 0x0, 0x408638, 0xc00504fddf)
	pkg/sentry/kernel/task_syscall.go:239 +0xba fp=0xc006a27ab0 sp=0xc006a279d0 pc=0xd6189a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00504f500, 0x2e, 0x3, 0x20001700, 0x80, 0x0, 0x0, 0x0, 0x137298b, 0x2d12694)
	pkg/sentry/kernel/task_syscall.go:199 +0x10f fp=0xc006a27b60 sp=0xc006a27ab0 pc=0xd611af
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00504f500, 0x2, 0xc00504f500)
	pkg/sentry/kernel/task_syscall.go:174 +0x1ea fp=0xc006a27ca0 sp=0xc006a27b60 pc=0xd6094a
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc00504f500, 0x1a6f4a0, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0x12a7 fp=0xc006a27ed8 sp=0xc006a27ca0 pc=0xd4c2c7
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00504f500, 0x4ee1)
	pkg/sentry/kernel/task_run.go:97 +0x398 fp=0xc006a27fd0 sp=0xc006a27ed8 pc=0xd4a3f8
runtime.goexit()
	src/runtime/asm_amd64.s:1374 +0x1 fp=0xc006a27fd8 sp=0xc006a27fd0 pc=0x4745e1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:323 +0x1a5