panic: header.ScopeForIPv6Address(172.20.20.170): bad address

goroutine 663941 [running]:
panic(0xfc5240, 0xc0304c10e0)
	GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc001e88f00 sp=0xc001e88e48 pc=0x437030
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).acquireOutgoingPrimaryAddressRLocked(0xc00003b500, 0xc0304d0ce8, 0x4, 0xc001e89000, 0x40b80a, 0x106ea00)
	pkg/tcpip/network/ipv6/ipv6.go:1339 +0x387 fp=0xc001e88ff8 sp=0xc001e88f00 pc=0xb07087
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).AcquireOutgoingPrimaryAddress(0xc00003b500, 0xc0304d0ce8, 0x4, 0x7f7d15c68200, 0x0, 0x0)
	pkg/tcpip/network/ipv6/ipv6.go:1293 +0x8e fp=0xc001e89050 sp=0xc001e88ff8 pc=0xb06c8e
gvisor.dev/gvisor/pkg/tcpip/stack.(*NIC).primaryEndpoint(0xc00044e780, 0x86dd, 0xc0304d0ce8, 0x4, 0xc000be6000, 0x7f7d15c8dba8)
	pkg/tcpip/stack/nic.go:340 +0x116 fp=0xc001e890a8 sp=0xc001e89050 pc=0x92ac36
gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).getAddressEP(0xc0001d6b00, 0xc00044e780, 0x0, 0x0, 0xc0304d0ce8, 0x4, 0x86dd, 0x0, 0xaf)
	pkg/tcpip/stack/stack.go:1212 +0x58 fp=0xc001e890f8 sp=0xc001e890a8 pc=0x936ad8
gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).FindRoute(0xc0001d6b00, 0xc000000000, 0x0, 0x0, 0xc0304d0ce8, 0x4, 0x86dd, 0x0, 0x0)
	pkg/tcpip/stack/stack.go:1362 +0xd32 fp=0xc001e893a0 sp=0xc001e890f8 pc=0x937e12
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).write(0xc021d4bc00, 0x12f57c0, 0xc0304bb130, 0xc03183a1a0, 0x100, 0x105eb60, 0xc021d4bc01, 0xc0304bb130)
	pkg/tcpip/transport/raw/endpoint.go:336 +0x14b fp=0xc001e894a8 sp=0xc001e893a0 pc=0xaa782b
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).Write(0xc021d4bc00, 0x12f57c0, 0xc0304bb130, 0xc03183a1a0, 0xc030000100, 0x4, 0x874e23, 0xc0304d0002)
	pkg/tcpip/transport/raw/endpoint.go:230 +0x72 fp=0xc001e894f8 sp=0xc001e894a8 pc=0xaa7552
gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*socketOpsCommon).SendMsg(0xc0317944f0, 0xc031560000, 0x1310660, 0xc0315b4000, 0xc0304b3640, 0x2, 0x0, 0xe2, 0x100, 0xc0304d0d10, ...)
	pkg/sentry/socket/netstack/netstack.go:2870 +0x19d fp=0xc001e897e8 sp=0xc001e894f8 pc=0xb259fd
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.sendSingleMsg(0xc031560000, 0x7f7d109b6658, 0xc031794480, 0xc031794480, 0x20002b40, 0xc000000080, 0x2b0f4b261c70, 0xc031560944, 0x10)
	pkg/sentry/syscalls/linux/vfs2/socket.go:1056 +0x3c2 fp=0xc001e89a28 sp=0xc001e897e8 pc=0xd9a762
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.SendMMsg(0xc031560000, 0x3, 0x20002b40, 0x6, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/socket.go:980 +0x2a6 fp=0xc001e89af8 sp=0xc001e89a28 pc=0xd99fa6
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc031560000, 0x133, 0x3, 0x20002b40, 0x6, 0x80, 0x0, 0x0, 0x1, 0x1199820, ...)
	pkg/sentry/kernel/task_syscall.go:104 +0x13c fp=0xc001e89c58 sp=0xc001e89af8 pc=0x9cd89c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc031560000, 0x133, 0x3, 0x20002b40, 0x6, 0x80, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:239 +0x66 fp=0xc001e89ce0 sp=0xc001e89c58 pc=0x9cea66
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc031560000, 0x133, 0x3, 0x20002b40, 0x6, 0x80, 0x0, 0x0, 0xde06ee, 0xc02c602ca0)
	pkg/sentry/kernel/task_syscall.go:199 +0x98 fp=0xc001e89d40 sp=0xc001e89ce0 pc=0x9ce618
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc031560000, 0x2, 0xc031560000)
	pkg/sentry/kernel/task_syscall.go:174 +0x15c fp=0xc001e89e10 sp=0xc001e89d40 pc=0x9cdfbc
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc031560000, 0x12e7b40, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0xc45 fp=0xc001e89f60 sp=0xc001e89e10 pc=0x9c23c5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc031560000, 0x6a70)
	pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc001e89fd0 sp=0xc001e89f60 pc=0x9c108f
runtime.goexit()
	src/runtime/asm_amd64.s:1374 +0x1 fp=0xc001e89fd8 sp=0xc001e89fd0 pc=0x4705a1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:323 +0xfe