panic: header.ScopeForIPv6Address(172.20.20.170): bad address

goroutine 4747086 [running]:
panic(0xfc5280, 0xc0057a04d0)
	GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc0038f4f00 sp=0xc0038f4e48 pc=0x437030
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).acquireOutgoingPrimaryAddressRLocked(0xc0008681c0, 0xc03ae6aa40, 0x4, 0xc0038f5000, 0x40b80a, 0x106eaa0)
	pkg/tcpip/network/ipv6/ipv6.go:1339 +0x387 fp=0xc0038f4ff8 sp=0xc0038f4f00 pc=0xb074c7
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).AcquireOutgoingPrimaryAddress(0xc0008681c0, 0xc03ae6aa40, 0x4, 0x7f7232ee3d00, 0x0, 0x0)
	pkg/tcpip/network/ipv6/ipv6.go:1293 +0x8e fp=0xc0038f5050 sp=0xc0038f4ff8 pc=0xb070ce
gvisor.dev/gvisor/pkg/tcpip/stack.(*NIC).primaryEndpoint(0xc0006d86c0, 0x86dd, 0xc03ae6aa40, 0x4, 0xc000794000, 0x7f722db25d50)
	pkg/tcpip/stack/nic.go:340 +0x116 fp=0xc0038f50a8 sp=0xc0038f5050 pc=0x92b076
gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).getAddressEP(0xc000744000, 0xc0006d86c0, 0x0, 0x0, 0xc03ae6aa40, 0x4, 0x86dd, 0x0, 0x2b)
	pkg/tcpip/stack/stack.go:1212 +0x58 fp=0xc0038f50f8 sp=0xc0038f50a8 pc=0x936f18
gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).FindRoute(0xc000744000, 0xc000000000, 0x0, 0x0, 0xc03ae6aa40, 0x4, 0x86dd, 0x0, 0x0)
	pkg/tcpip/stack/stack.go:1362 +0xd32 fp=0xc0038f53a0 sp=0xc0038f50f8 pc=0x938252
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).write(0xc002964380, 0x12f53a0, 0xc005d03f40, 0xc00a0edd80, 0x0, 0x105ec00, 0xc002964301, 0xc005d03f40)
	pkg/tcpip/transport/raw/endpoint.go:336 +0x14b fp=0xc0038f54a8 sp=0xc0038f53a0 pc=0xaa7c6b
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).Write(0xc002964380, 0x12f53a0, 0xc005d03f40, 0xc00a0edd80, 0xc03a000000, 0x4, 0x874e24, 0xc03ae60002)
	pkg/tcpip/transport/raw/endpoint.go:230 +0x72 fp=0xc0038f54f8 sp=0xc0038f54a8 pc=0xaa7992
gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*socketOpsCommon).SendMsg(0xc0034ae970, 0xc00d3f2000, 0x1310240, 0xc00ab36000, 0xc037440540, 0x2, 0x0, 0xbd, 0x100, 0xc03ae6aa20, ...)
	pkg/sentry/socket/netstack/netstack.go:2848 +0x19d fp=0xc0038f57e8 sp=0xc0038f54f8 pc=0xb25e3d
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.sendSingleMsg(0xc00d3f2000, 0x7f7272ffc698, 0xc0034ae900, 0xc0034ae900, 0x20008900, 0xc000000000, 0x2ab898e6bc70, 0xc00d3f2944, 0x10)
	pkg/sentry/syscalls/linux/vfs2/socket.go:1056 +0x3c2 fp=0xc0038f5a28 sp=0xc0038f57e8 pc=0xd9a762
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.SendMMsg(0xc00d3f2000, 0x3, 0x20008900, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/socket.go:980 +0x2a6 fp=0xc0038f5af8 sp=0xc0038f5a28 pc=0xd99fa6
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00d3f2000, 0x133, 0x3, 0x20008900, 0x9, 0x0, 0x0, 0x0, 0x1, 0x11998e0, ...)
	pkg/sentry/kernel/task_syscall.go:104 +0x13c fp=0xc0038f5c58 sp=0xc0038f5af8 pc=0x9cdcdc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00d3f2000, 0x133, 0x3, 0x20008900, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:239 +0x66 fp=0xc0038f5ce0 sp=0xc0038f5c58 pc=0x9ceea6
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00d3f2000, 0x133, 0x3, 0x20008900, 0x9, 0x0, 0x0, 0x0, 0xde066e, 0xc003dcfde0)
	pkg/sentry/kernel/task_syscall.go:199 +0x98 fp=0xc0038f5d40 sp=0xc0038f5ce0 pc=0x9cea58
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00d3f2000, 0x2, 0xc00d3f2000)
	pkg/sentry/kernel/task_syscall.go:174 +0x15c fp=0xc0038f5e10 sp=0xc0038f5d40 pc=0x9ce3fc
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc00d3f2000, 0x12e7720, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0xc45 fp=0xc0038f5f60 sp=0xc0038f5e10 pc=0x9c2805
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00d3f2000, 0x5033)
	pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc0038f5fd0 sp=0xc0038f5f60 pc=0x9c14cf
runtime.goexit()
	src/runtime/asm_amd64.s:1374 +0x1 fp=0xc0038f5fd8 sp=0xc0038f5fd0 pc=0x4705a1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:323 +0xfe