panic: header.ScopeForIPv6Address(172.20.20.170): bad address

goroutine 846558 [running]:
panic(0xfc1e60, 0xc00ed881c0)
	GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc00278ef30 sp=0xc00278ee78 pc=0x437030
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).acquireOutgoingPrimaryAddressRLocked(0xc021aa2540, 0xc00ad020a0, 0x4, 0xc00278f000, 0x40b80a, 0x106b060)
	pkg/tcpip/network/ipv6/ipv6.go:1339 +0x387 fp=0xc00278f028 sp=0xc00278ef30 pc=0xb04247
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).AcquireOutgoingPrimaryAddress(0xc021aa2540, 0xc00ad020a0, 0x4, 0x7f6802670000, 0x0, 0x0)
	pkg/tcpip/network/ipv6/ipv6.go:1293 +0x8b fp=0xc00278f080 sp=0xc00278f028 pc=0xb03e4b
gvisor.dev/gvisor/pkg/tcpip/stack.(*NIC).primaryEndpoint(0xc0b20dae40, 0x86dd, 0xc00ad020a0, 0x4, 0xc0b20eb100, 0x7f67fd4fbd98)
	pkg/tcpip/stack/nic.go:340 +0x116 fp=0xc00278f0d8 sp=0xc00278f080 pc=0x929556
gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).getAddressEP(0xc0225e0000, 0xc0b20dae40, 0x0, 0x0, 0xc00ad020a0, 0x4, 0xc0000086dd, 0x0, 0xc01cbdc3c0)
	pkg/tcpip/stack/stack.go:1212 +0x58 fp=0xc00278f128 sp=0xc00278f0d8 pc=0x935098
gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).FindRoute(0xc0225e0000, 0x0, 0x0, 0x0, 0xc00ad020a0, 0x4, 0x86dd, 0x0, 0x0)
	pkg/tcpip/stack/stack.go:1362 +0xd32 fp=0xc00278f3d0 sp=0xc00278f128 pc=0x9363d2
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).write(0xc0b67c6000, 0x12eadc0, 0xc00d8a9b80, 0xc01cb05d80, 0x0, 0x105b3a0, 0xc0b67c6001, 0xc00d8a9b80)
	pkg/tcpip/transport/raw/endpoint.go:336 +0x14b fp=0xc00278f4d8 sp=0xc00278f3d0 pc=0xaa484b
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).Write(0xc0b67c6000, 0x12eadc0, 0xc00d8a9b80, 0xc01cb05d80, 0xc00a000000, 0x4, 0x870000, 0xc001060002)
	pkg/tcpip/transport/raw/endpoint.go:230 +0x72 fp=0xc00278f528 sp=0xc00278f4d8 pc=0xaa4572
gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*socketOpsCommon).SendMsg(0xc005af3cf0, 0xc006642a80, 0x1305c40, 0xc0b99a0000, 0x0, 0x0, 0x0, 0x0, 0x100, 0xc001066400, ...)
	pkg/sentry/socket/netstack/netstack.go:3004 +0x19d fp=0xc00278f818 sp=0xc00278f528 pc=0xb2385d
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.sendSingleMsg(0xc006642a80, 0x7f67fd522980, 0xc005af3c80, 0xc005af3c80, 0x20000480, 0x0, 0x0, 0xc000cacae8, 0xa517b4)
	pkg/sentry/syscalls/linux/vfs2/socket.go:1056 +0x3c2 fp=0xc00278fa58 sp=0xc00278f818 pc=0xd97bc2
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.SendMsg(0xc006642a80, 0x3, 0x20000480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/socket.go:934 +0x225 fp=0xc00278faf8 sp=0xc00278fa58 pc=0xd96fc5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc006642a80, 0x2e, 0x3, 0x20000480, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1195680, ...)
	pkg/sentry/kernel/task_syscall.go:104 +0x13c fp=0xc00278fc58 sp=0xc00278faf8 pc=0x9cc11c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc006642a80, 0x2e, 0x3, 0x20000480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:239 +0x66 fp=0xc00278fce0 sp=0xc00278fc58 pc=0x9cd2e6
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc006642a80, 0x2e, 0x3, 0x20000480, 0x0, 0x0, 0x0, 0x0, 0xdddb6e, 0xc0a8baf420)
	pkg/sentry/kernel/task_syscall.go:199 +0x98 fp=0xc00278fd40 sp=0xc00278fce0 pc=0x9cce98
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc006642a80, 0x2, 0xc006642a80)
	pkg/sentry/kernel/task_syscall.go:174 +0x15c fp=0xc00278fe10 sp=0xc00278fd40 pc=0x9cc83c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc006642a80, 0x12dd140, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0xc45 fp=0xc00278ff60 sp=0xc00278fe10 pc=0x9c0c85
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc006642a80, 0x5459)
	pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc00278ffd0 sp=0xc00278ff60 pc=0x9bf94f
runtime.goexit()
	src/runtime/asm_amd64.s:1374 +0x1 fp=0xc00278ffd8 sp=0xc00278ffd0 pc=0x4705a1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:323 +0xfe