panic: header.ScopeForIPv6Address(172.20.20.170): bad address

goroutine 238064 [running]:
panic(0x16d9020, 0xc0897126c0)
	GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc00bdf06a8 sp=0xc00bdf05f0 pc=0x439090
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).acquireOutgoingPrimaryAddressRLocked(0xc000bee1c0, 0xc0062f72cc, 0x4, 0x44a500, 0x44a665, 0x156dca0)
	pkg/tcpip/network/ipv6/ipv6.go:1339 +0x3ec fp=0xc00bdf07a0 sp=0xc00bdf06a8 pc=0xf2e62c
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).AcquireOutgoingPrimaryAddress(0xc000bee1c0, 0xc0062f72cc, 0x4, 0x7f36abac6900, 0x0, 0x0)
	pkg/tcpip/network/ipv6/ipv6.go:1293 +0xd5 fp=0xc00bdf0830 sp=0xc00bdf07a0 pc=0xf2e1d5
gvisor.dev/gvisor/pkg/tcpip/stack.(*NIC).primaryEndpoint(0xc00045a600, 0x86dd, 0xc0062f72cc, 0x4, 0xc000262100, 0x1a9b400)
	pkg/tcpip/stack/nic.go:340 +0x16a fp=0xc00bdf08a8 sp=0xc00bdf0830 pc=0xc52f4a
gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).getAddressEP(0xc000247600, 0xc00045a600, 0x0, 0x0, 0xc0062f72cc, 0x4, 0x86dd, 0x0, 0xc08b3c49a0)
	pkg/tcpip/stack/stack.go:1212 +0x6f fp=0xc00bdf0918 sp=0xc00bdf08a8 pc=0xc669ef
gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).FindRoute(0xc000247600, 0x0, 0x0, 0x0, 0xc0062f72cc, 0x4, 0x86dd, 0x0, 0x0)
	pkg/tcpip/stack/stack.go:1362 +0xec5 fp=0xc00bdf0c88 sp=0xc00bdf0918 pc=0xc68045
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).write(0xc002112380, 0x1a7d800, 0xc00c12a2d0, 0xc08c793d80, 0xc006000000, 0xc08b3c4f00, 0xc08b3c4e30, 0x40fcf8)
	pkg/tcpip/transport/raw/endpoint.go:336 +0x27c fp=0xc00bdf0dd0 sp=0xc00bdf0c88 pc=0xe917fc
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).Write(0xc002112380, 0x1a7d800, 0xc00c12a2d0, 0xc08c793d80, 0xc006000000, 0x4, 0x0, 0xc08b3c0002)
	pkg/tcpip/transport/raw/endpoint.go:230 +0xa5 fp=0xc00bdf0e40 sp=0xc00bdf0dd0 pc=0xe912a5
gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*socketOpsCommon).SendMsg(0xc00a1187f0, 0xc00c354a80, 0x1a98d80, 0xc00ba7e000, 0x0, 0x1, 0x0, 0x0, 0x100, 0xc0062f72d0, ...)
	pkg/sentry/socket/netstack/netstack.go:2870 +0x23d fp=0xc00bdf11d8 sp=0xc00bdf0e40 pc=0xf5d63d
gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*SocketVFS2).SendMsg(0xc00a118780, 0xc00c354a80, 0x1a98d80, 0xc00ba7e000, 0x0, 0x1, 0x0, 0x0, 0x100, 0xc0062f72d0, ...)
	<autogenerated>:1 +0x178 fp=0xc00bdf1398 sp=0xc00bdf11d8 pc=0xf72258
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.sendTo(0xc00c354a80, 0xc000000006, 0x0, 0x0, 0x0, 0x20001040, 0x10, 0x0, 0x0, 0x0)
	pkg/sentry/syscalls/linux/vfs2/socket.go:1118 +0x4d6 fp=0xc00bdf16b8 sp=0xc00bdf1398 pc=0x130ae16
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.SendTo(0xc00c354a80, 0x6, 0x0, 0x0, 0x0, 0x20001040, 0x10, 0xc00008a800, 0xc08b3c57a8, 0x44351c, ...)
	pkg/sentry/syscalls/linux/vfs2/socket.go:1131 +0x88 fp=0xc00bdf1730 sp=0xc00bdf16b8 pc=0x130b288
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00c354a80, 0x2c, 0x6, 0x0, 0x0, 0x0, 0x20001040, 0x10, 0x0, 0x0, ...)
	pkg/sentry/kernel/task_syscall.go:104 +0x453 fp=0xc00bdf19d0 sp=0xc00bdf1730 pc=0xd60033
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00c354a80, 0x2c, 0x6, 0x0, 0x0, 0x0, 0x20001040, 0x10, 0x408638, 0xc00c35535f)
	pkg/sentry/kernel/task_syscall.go:239 +0xba fp=0xc00bdf1ab0 sp=0xc00bdf19d0 pc=0xd617ba
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00c354a80, 0x2c, 0x6, 0x0, 0x0, 0x0, 0x20001040, 0x10, 0x1372fcb, 0x2d13694)
	pkg/sentry/kernel/task_syscall.go:199 +0x10f fp=0xc00bdf1b60 sp=0xc00bdf1ab0 pc=0xd610cf
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00c354a80, 0x2, 0xc00c354a80)
	pkg/sentry/kernel/task_syscall.go:174 +0x1ea fp=0xc00bdf1ca0 sp=0xc00bdf1b60 pc=0xd6086a
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc00c354a80, 0x1a6fca0, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0x12a7 fp=0xc00bdf1ed8 sp=0xc00bdf1ca0 pc=0xd4c1e7
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00c354a80, 0x1fb3)
	pkg/sentry/kernel/task_run.go:97 +0x398 fp=0xc00bdf1fd0 sp=0xc00bdf1ed8 pc=0xd4a318
runtime.goexit()
	src/runtime/asm_amd64.s:1374 +0x1 fp=0xc00bdf1fd8 sp=0xc00bdf1fd0 pc=0x4745e1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:323 +0x1a5