panic: header.ScopeForIPv6Address(172.20.20.170): bad address

goroutine 4361631 [running]:
panic(0xfc5280, 0xc00ce35540)
	GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc004af6f00 sp=0xc004af6e48 pc=0x437030
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).acquireOutgoingPrimaryAddressRLocked(0xc00225c380, 0xc00eeac64c, 0x4, 0xc004af7000, 0x40b80a, 0x106eaa0)
	pkg/tcpip/network/ipv6/ipv6.go:1339 +0x387 fp=0xc004af6ff8 sp=0xc004af6f00 pc=0xb074c7
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).AcquireOutgoingPrimaryAddress(0xc00225c380, 0xc00eeac64c, 0x4, 0x7f7fc9818b00, 0x0, 0x0)
	pkg/tcpip/network/ipv6/ipv6.go:1293 +0x8e fp=0xc004af7050 sp=0xc004af6ff8 pc=0xb070ce
gvisor.dev/gvisor/pkg/tcpip/stack.(*NIC).primaryEndpoint(0xc000857b00, 0x86dd, 0xc00eeac64c, 0x4, 0xc0025cb000, 0x7f7fc3264f90)
	pkg/tcpip/stack/nic.go:340 +0x116 fp=0xc004af70a8 sp=0xc004af7050 pc=0x92b076
gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).getAddressEP(0xc00041b600, 0xc000857b00, 0x0, 0x0, 0xc00eeac64c, 0x4, 0x86dd, 0x0, 0x6c)
	pkg/tcpip/stack/stack.go:1212 +0x58 fp=0xc004af70f8 sp=0xc004af70a8 pc=0x936f18
gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).FindRoute(0xc00041b600, 0xc000000000, 0x0, 0x0, 0xc00eeac64c, 0x4, 0x86dd, 0x0, 0x0)
	pkg/tcpip/stack/stack.go:1362 +0xd32 fp=0xc004af73a0 sp=0xc004af70f8 pc=0x938252
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).write(0xc00fa348c0, 0x12f53a0, 0xc00a6f45a0, 0xc003e000a0, 0x0, 0x105ec00, 0xc00fa34801, 0xc00a6f45a0)
	pkg/tcpip/transport/raw/endpoint.go:336 +0x14b fp=0xc004af74a8 sp=0xc004af73a0 pc=0xaa7c6b
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).Write(0xc00fa348c0, 0x12f53a0, 0xc00a6f45a0, 0xc003e000a0, 0xc00e000000, 0x4, 0x4e20, 0xc00c380002)
	pkg/tcpip/transport/raw/endpoint.go:230 +0x72 fp=0xc004af74f8 sp=0xc004af74a8 pc=0xaa7992
gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*socketOpsCommon).SendMsg(0xc004ea1e70, 0xc00a9fca80, 0x1310240, 0xc0054fc000, 0x0, 0x1, 0x200000c0, 0x6c, 0x100, 0xc00eeac620, ...)
	pkg/sentry/socket/netstack/netstack.go:2848 +0x19d fp=0xc004af77e8 sp=0xc004af74f8 pc=0xb25e3d
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.sendSingleMsg(0xc00a9fca80, 0x7f7fc2f60ad8, 0xc004ea1e00, 0xc004ea1e00, 0x20001fc0, 0xc000000000, 0x2b6337ee5c70, 0xc00a9fd3c4, 0x10)
	pkg/sentry/syscalls/linux/vfs2/socket.go:1056 +0x3c2 fp=0xc004af7a28 sp=0xc004af77e8 pc=0xd9a762
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.SendMMsg(0xc00a9fca80, 0x3, 0x20001fc0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/socket.go:980 +0x2a6 fp=0xc004af7af8 sp=0xc004af7a28 pc=0xd99fa6
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00a9fca80, 0x133, 0x3, 0x20001fc0, 0x4, 0x0, 0x0, 0x0, 0x1, 0x11998e0, ...)
	pkg/sentry/kernel/task_syscall.go:104 +0x13c fp=0xc004af7c58 sp=0xc004af7af8 pc=0x9cdcdc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00a9fca80, 0x133, 0x3, 0x20001fc0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:239 +0x66 fp=0xc004af7ce0 sp=0xc004af7c58 pc=0x9ceea6
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00a9fca80, 0x133, 0x3, 0x20001fc0, 0x4, 0x0, 0x0, 0x0, 0xde066e, 0xc0cd6eb7e0)
	pkg/sentry/kernel/task_syscall.go:199 +0x98 fp=0xc004af7d40 sp=0xc004af7ce0 pc=0x9cea58
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00a9fca80, 0x2, 0xc00a9fca80)
	pkg/sentry/kernel/task_syscall.go:174 +0x15c fp=0xc004af7e10 sp=0xc004af7d40 pc=0x9ce3fc
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc00a9fca80, 0x12e7720, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0xc45 fp=0xc004af7f60 sp=0xc004af7e10 pc=0x9c2805
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00a9fca80, 0xb7da)
	pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc004af7fd0 sp=0xc004af7f60 pc=0x9c14cf
runtime.goexit()
	src/runtime/asm_amd64.s:1374 +0x1 fp=0xc004af7fd8 sp=0xc004af7fd0 pc=0x4705a1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:323 +0xfe