panic: header.ScopeForIPv6Address(172.20.20.170): bad address

goroutine 729590 [running]:
panic(0x16d9020, 0xc001d843e0)
	GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc002666628 sp=0xc002666570 pc=0x439090
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).acquireOutgoingPrimaryAddressRLocked(0xc000946000, 0xc00579a5e0, 0x4, 0x44a500, 0x44a665, 0x156dca0)
	pkg/tcpip/network/ipv6/ipv6.go:1339 +0x3ec fp=0xc002666720 sp=0xc002666628 pc=0xf2e62c
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).AcquireOutgoingPrimaryAddress(0xc000946000, 0xc00579a5e0, 0x4, 0x7f3d145c8900, 0x0, 0x0)
	pkg/tcpip/network/ipv6/ipv6.go:1293 +0xd5 fp=0xc0026667b0 sp=0xc002666720 pc=0xf2e1d5
gvisor.dev/gvisor/pkg/tcpip/stack.(*NIC).primaryEndpoint(0xc000932000, 0x86dd, 0xc00579a5e0, 0x4, 0xc0004e4100, 0x1a9b400)
	pkg/tcpip/stack/nic.go:340 +0x16a fp=0xc002666828 sp=0xc0026667b0 pc=0xc52f4a
gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).getAddressEP(0xc0004c9b80, 0xc000932000, 0x0, 0x0, 0xc00579a5e0, 0x4, 0xc0000086dd, 0x0, 0x0)
	pkg/tcpip/stack/stack.go:1212 +0x6f fp=0xc002666898 sp=0xc002666828 pc=0xc669ef
gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).FindRoute(0xc0004c9b80, 0xc000000000, 0x0, 0x0, 0xc00579a5e0, 0x4, 0x86dd, 0x0, 0x0)
	pkg/tcpip/stack/stack.go:1362 +0xec5 fp=0xc002666c08 sp=0xc002666898 pc=0xc68045
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).write(0xc00805a000, 0x1a7d800, 0xc002d52460, 0xc003e9e5e0, 0xc005000000, 0xc005808944, 0xc002328db0, 0x40fcf8)
	pkg/tcpip/transport/raw/endpoint.go:336 +0x27c fp=0xc002666d50 sp=0xc002666c08 pc=0xe917fc
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).Write(0xc00805a000, 0x1a7d800, 0xc002d52460, 0xc003e9e5e0, 0xc005000000, 0x4, 0xc006214e24, 0xffff0002)
	pkg/tcpip/transport/raw/endpoint.go:230 +0xa5 fp=0xc002666dc0 sp=0xc002666d50 pc=0xe912a5
gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*socketOpsCommon).SendMsg(0xc003798070, 0xc005808000, 0x1a98d80, 0xc006218000, 0xc002032280, 0x2, 0x0, 0x81, 0x100, 0xc00579a5c0, ...)
	pkg/sentry/socket/netstack/netstack.go:2870 +0x23d fp=0xc002667158 sp=0xc002666dc0 pc=0xf5d63d
gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*SocketVFS2).SendMsg(0xc003798000, 0xc005808000, 0x1a98d80, 0xc006218000, 0xc002032280, 0x2, 0x0, 0x81, 0x100, 0xc00579a5c0, ...)
	<autogenerated>:1 +0x178 fp=0xc002667318 sp=0xc002667158 pc=0xf72258
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.sendSingleMsg(0xc005808000, 0x7f3d145dd598, 0xc003798000, 0xc003798000, 0x20000400, 0x4040, 0x0, 0xc0004a80b8, 0x32a7797)
	pkg/sentry/syscalls/linux/vfs2/socket.go:1056 +0x41a fp=0xc002667648 sp=0xc002667318 pc=0x130a35a
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.SendMsg(0xc005808000, 0x6, 0x20000400, 0x4040, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/socket.go:934 +0x2c6 fp=0xc002667730 sp=0xc002667648 pc=0x13096a6
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc005808000, 0x2e, 0x6, 0x20000400, 0x4040, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/kernel/task_syscall.go:104 +0x453 fp=0xc0026679d0 sp=0xc002667730 pc=0xd60033
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc005808000, 0x2e, 0x6, 0x20000400, 0x4040, 0x0, 0x0, 0x0, 0x408638, 0xc0058088df)
	pkg/sentry/kernel/task_syscall.go:239 +0xba fp=0xc002667ab0 sp=0xc0026679d0 pc=0xd617ba
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc005808000, 0x2e, 0x6, 0x20000400, 0x4040, 0x0, 0x0, 0x0, 0x1372fcb, 0x2d13694)
	pkg/sentry/kernel/task_syscall.go:199 +0x10f fp=0xc002667b60 sp=0xc002667ab0 pc=0xd610cf
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc005808000, 0x2, 0xc005808000)
	pkg/sentry/kernel/task_syscall.go:174 +0x1ea fp=0xc002667ca0 sp=0xc002667b60 pc=0xd6086a
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc005808000, 0x1a6fca0, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0x12a7 fp=0xc002667ed8 sp=0xc002667ca0 pc=0xd4c1e7
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc005808000, 0xb964)
	pkg/sentry/kernel/task_run.go:97 +0x398 fp=0xc002667fd0 sp=0xc002667ed8 pc=0xd4a318
runtime.goexit()
	src/runtime/asm_amd64.s:1374 +0x1 fp=0xc002667fd8 sp=0xc002667fd0 pc=0x4745e1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:323 +0x1a5