panic: header.ScopeForIPv6Address(172.20.20.170): bad address

goroutine 548535 [running]:
panic(0xfc52e0, 0xc00d076120)
	GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc001041400 sp=0xc001041348 pc=0x437030
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).acquireOutgoingPrimaryAddressRLocked(0xc00003b500, 0xc00d070ae8, 0x4, 0xc001041500, 0x40b80a, 0x106eba0)
	pkg/tcpip/network/ipv6/ipv6.go:1339 +0x387 fp=0xc0010414f8 sp=0xc001041400 pc=0xb071a7
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).AcquireOutgoingPrimaryAddress(0xc00003b500, 0xc00d070ae8, 0x4, 0x7ff0e1414e00, 0x0, 0x0)
	pkg/tcpip/network/ipv6/ipv6.go:1293 +0x8e fp=0xc001041550 sp=0xc0010414f8 pc=0xb06dae
gvisor.dev/gvisor/pkg/tcpip/stack.(*NIC).primaryEndpoint(0xc0001e69c0, 0x86dd, 0xc00d070ae8, 0x4, 0xc0002b4100, 0x7ff0df92dc40)
	pkg/tcpip/stack/nic.go:340 +0x116 fp=0xc0010415a8 sp=0xc001041550 pc=0x92aab6
gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).getAddressEP(0xc0002f8580, 0xc0001e69c0, 0x0, 0x0, 0xc00d070ae8, 0x4, 0x86dd, 0x0, 0x40000000)
	pkg/tcpip/stack/stack.go:1212 +0x58 fp=0xc0010415f8 sp=0xc0010415a8 pc=0x936958
gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).FindRoute(0xc0002f8580, 0x0, 0x0, 0x0, 0xc00d070ae8, 0x4, 0x86dd, 0x0, 0x0)
	pkg/tcpip/stack/stack.go:1362 +0xd32 fp=0xc0010418a0 sp=0xc0010415f8 pc=0x937c92
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).Connect(0xc02fd58a80, 0xc000000000, 0xc00d070ae8, 0x4, 0xc00d074e20, 0x0)
	pkg/tcpip/transport/raw/endpoint.go:424 +0xf1 fp=0xc001041928 sp=0xc0010418a0 pc=0xaa8771
gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*socketOpsCommon).Connect(0xc03a75f9f0, 0xc0061cc000, 0xc00d070af0, 0x10, 0x10, 0x1, 0x0)
	pkg/sentry/socket/netstack/netstack.go:683 +0x3a4 fp=0xc001041a48 sp=0xc001041928 pc=0xb16c64
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Connect(0xc0061cc000, 0x3, 0x20000000, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/socket.go:278 +0x1c2 fp=0xc001041af8 sp=0xc001041a48 pc=0xd94ac2
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0061cc000, 0x2a, 0x3, 0x20000000, 0x10, 0x0, 0x0, 0x0, 0x1, 0x1199a60, ...)
	pkg/sentry/kernel/task_syscall.go:104 +0x13c fp=0xc001041c58 sp=0xc001041af8 pc=0x9cd97c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0061cc000, 0x2a, 0x3, 0x20000000, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:239 +0x66 fp=0xc001041ce0 sp=0xc001041c58 pc=0x9ceb46
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0061cc000, 0x2a, 0x3, 0x20000000, 0x10, 0x0, 0x0, 0x0, 0xde02ce, 0xc0585bd1e0)
	pkg/sentry/kernel/task_syscall.go:199 +0x98 fp=0xc001041d40 sp=0xc001041ce0 pc=0x9ce6f8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0061cc000, 0x2, 0xc0061cc000)
	pkg/sentry/kernel/task_syscall.go:174 +0x15c fp=0xc001041e10 sp=0xc001041d40 pc=0x9ce09c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0061cc000, 0x12e7860, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0xc45 fp=0xc001041f60 sp=0xc001041e10 pc=0x9c24a5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0061cc000, 0x56aa)
	pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc001041fd0 sp=0xc001041f60 pc=0x9c116f
runtime.goexit()
	src/runtime/asm_amd64.s:1374 +0x1 fp=0xc001041fd8 sp=0xc001041fd0 pc=0x4705a1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:323 +0xfe