panic: header.ScopeForIPv6Address(172.20.20.170): bad address

goroutine 156887 [running]:
panic(0xfc1e60, 0xc008278150)
	GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc006910f30 sp=0xc006910e78 pc=0x437030
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).acquireOutgoingPrimaryAddressRLocked(0xc00090a1c0, 0xc000aa9218, 0x4, 0xc006911000, 0x40b80a, 0x106b060)
	pkg/tcpip/network/ipv6/ipv6.go:1339 +0x387 fp=0xc006911028 sp=0xc006910f30 pc=0xb04247
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).AcquireOutgoingPrimaryAddress(0xc00090a1c0, 0xc000aa9218, 0x4, 0x7f577d38e600, 0x0, 0x0)
	pkg/tcpip/network/ipv6/ipv6.go:1293 +0x8b fp=0xc006911080 sp=0xc006911028 pc=0xb03e4b
gvisor.dev/gvisor/pkg/tcpip/stack.(*NIC).primaryEndpoint(0xc00025e840, 0x86dd, 0xc000aa9218, 0x4, 0xc000afa000, 0x7f57765d81e8)
	pkg/tcpip/stack/nic.go:340 +0x116 fp=0xc0069110d8 sp=0xc006911080 pc=0x929556
gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).getAddressEP(0xc000ad4000, 0xc00025e840, 0x0, 0x0, 0xc000aa9218, 0x4, 0x86dd, 0x0, 0xc000504c00)
	pkg/tcpip/stack/stack.go:1212 +0x58 fp=0xc006911128 sp=0xc0069110d8 pc=0x935098
gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).FindRoute(0xc000ad4000, 0x0, 0x0, 0x0, 0xc000aa9218, 0x4, 0x86dd, 0x0, 0x0)
	pkg/tcpip/stack/stack.go:1362 +0xd32 fp=0xc0069113d0 sp=0xc006911128 pc=0x9363d2
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).write(0xc00003bdc0, 0x12eadc0, 0xc00c25dcc0, 0xc00a0ac520, 0x0, 0x105b3a0, 0xc00003bd01, 0xc00c25dcc0)
	pkg/tcpip/transport/raw/endpoint.go:336 +0x14b fp=0xc0069114d8 sp=0xc0069113d0 pc=0xaa484b
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).Write(0xc00003bdc0, 0x12eadc0, 0xc00c25dcc0, 0xc00a0ac520, 0xc000000000, 0x4, 0x870000, 0xc008240002)
	pkg/tcpip/transport/raw/endpoint.go:230 +0x72 fp=0xc006911528 sp=0xc0069114d8 pc=0xaa4572
gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*socketOpsCommon).SendMsg(0xc008227270, 0xc008996000, 0x1305c40, 0xc0082f6000, 0x0, 0x0, 0x0, 0x0, 0x100, 0xc008241400, ...)
	pkg/sentry/socket/netstack/netstack.go:3004 +0x19d fp=0xc006911818 sp=0xc006911528 pc=0xb2385d
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.sendSingleMsg(0xc008996000, 0x7f5778239d98, 0xc008227200, 0xc008227200, 0x20000480, 0x0, 0x0, 0xc007679ae8, 0xa517b4)
	pkg/sentry/syscalls/linux/vfs2/socket.go:1056 +0x3c2 fp=0xc006911a58 sp=0xc006911818 pc=0xd97bc2
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.SendMsg(0xc008996000, 0x3, 0x20000480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/socket.go:934 +0x225 fp=0xc006911af8 sp=0xc006911a58 pc=0xd96fc5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc008996000, 0x2e, 0x3, 0x20000480, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1195680, ...)
	pkg/sentry/kernel/task_syscall.go:104 +0x13c fp=0xc006911c58 sp=0xc006911af8 pc=0x9cc11c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc008996000, 0x2e, 0x3, 0x20000480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:239 +0x66 fp=0xc006911ce0 sp=0xc006911c58 pc=0x9cd2e6
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc008996000, 0x2e, 0x3, 0x20000480, 0x0, 0x0, 0x0, 0x0, 0xdddb6e, 0xc002db1420)
	pkg/sentry/kernel/task_syscall.go:199 +0x98 fp=0xc006911d40 sp=0xc006911ce0 pc=0x9cce98
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc008996000, 0x2, 0xc008996000)
	pkg/sentry/kernel/task_syscall.go:174 +0x15c fp=0xc006911e10 sp=0xc006911d40 pc=0x9cc83c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc008996000, 0x12dd140, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0xc45 fp=0xc006911f60 sp=0xc006911e10 pc=0x9c0c85
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc008996000, 0x1224)
	pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc006911fd0 sp=0xc006911f60 pc=0x9bf94f
runtime.goexit()
	src/runtime/asm_amd64.s:1374 +0x1 fp=0xc006911fd8 sp=0xc006911fd0 pc=0x4705a1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:323 +0xfe