panic: header.ScopeForIPv6Address(172.20.20.170): bad address

goroutine 2117052 [running]:
panic(0xfc5280, 0xc007c265c0)
	GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc0011b2f80 sp=0xc0011b2ec8 pc=0x437030
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).acquireOutgoingPrimaryAddressRLocked(0xc00003a700, 0xc0028105ac, 0x4, 0xc0011b3000, 0x40b80a, 0x106eaa0)
	pkg/tcpip/network/ipv6/ipv6.go:1339 +0x387 fp=0xc0011b3078 sp=0xc0011b2f80 pc=0xb074c7
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).AcquireOutgoingPrimaryAddress(0xc00003a700, 0xc0028105ac, 0x4, 0x7f0fc9649000, 0x0, 0x0)
	pkg/tcpip/network/ipv6/ipv6.go:1293 +0x8e fp=0xc0011b30d0 sp=0xc0011b3078 pc=0xb070ce
gvisor.dev/gvisor/pkg/tcpip/stack.(*NIC).primaryEndpoint(0xc0007aeb40, 0x86dd, 0xc0028105ac, 0x4, 0xc0005f6100, 0x7f0fc90b9508)
	pkg/tcpip/stack/nic.go:340 +0x116 fp=0xc0011b3128 sp=0xc0011b30d0 pc=0x92b076
gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).getAddressEP(0xc000666000, 0xc0007aeb40, 0x0, 0x0, 0xc0028105ac, 0x4, 0x86dd, 0x0, 0x0)
	pkg/tcpip/stack/stack.go:1212 +0x58 fp=0xc0011b3178 sp=0xc0011b3128 pc=0x936f18
gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).FindRoute(0xc000666000, 0x0, 0x0, 0x0, 0xc0028105ac, 0x4, 0x86dd, 0x0, 0x0)
	pkg/tcpip/stack/stack.go:1362 +0xd32 fp=0xc0011b3420 sp=0xc0011b3178 pc=0x938252
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).write(0xc000f72e00, 0x12f53a0, 0xc005f0b270, 0xc008548f40, 0x0, 0x105ec00, 0xc000f72e01, 0xc005f0b270)
	pkg/tcpip/transport/raw/endpoint.go:336 +0x14b fp=0xc0011b3528 sp=0xc0011b3420 pc=0xaa7c6b
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).Write(0xc000f72e00, 0x12f53a0, 0xc005f0b270, 0xc008548f40, 0xc002000000, 0x4, 0x870000, 0xc007250002)
	pkg/tcpip/transport/raw/endpoint.go:230 +0x72 fp=0xc0011b3578 sp=0xc0011b3528 pc=0xaa7992
gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*socketOpsCommon).SendMsg(0xc00290d570, 0xc007d77500, 0x1310240, 0xc0055b0000, 0x0, 0x1, 0x0, 0x0, 0x100, 0xc00725ed00, ...)
	pkg/sentry/socket/netstack/netstack.go:2848 +0x19d fp=0xc0011b3868 sp=0xc0011b3578 pc=0xb25e3d
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.sendTo(0xc007d77500, 0xc000000003, 0x0, 0x0, 0xc000000000, 0x20000040, 0x80, 0x0, 0x0, 0x0)
	pkg/sentry/syscalls/linux/vfs2/socket.go:1118 +0x417 fp=0xc0011b3a98 sp=0xc0011b3868 pc=0xd9af77
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.SendTo(0xc007d77500, 0x3, 0x0, 0x0, 0x0, 0x20000040, 0x80, 0x3d, 0x11847, 0xc0009b0be4, ...)
	pkg/sentry/syscalls/linux/vfs2/socket.go:1131 +0x71 fp=0xc0011b3af8 sp=0xc0011b3a98 pc=0xd9b3b1
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc007d77500, 0x2c, 0x3, 0x0, 0x0, 0x0, 0x20000040, 0x80, 0x1, 0x11998e0, ...)
	pkg/sentry/kernel/task_syscall.go:104 +0x13c fp=0xc0011b3c58 sp=0xc0011b3af8 pc=0x9cdcdc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc007d77500, 0x2c, 0x3, 0x0, 0x0, 0x0, 0x20000040, 0x80, 0x20000040, 0x80)
	pkg/sentry/kernel/task_syscall.go:239 +0x66 fp=0xc0011b3ce0 sp=0xc0011b3c58 pc=0x9ceea6
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc007d77500, 0x2c, 0x3, 0x0, 0x0, 0x0, 0x20000040, 0x80, 0xde066e, 0xc000534d60)
	pkg/sentry/kernel/task_syscall.go:199 +0x98 fp=0xc0011b3d40 sp=0xc0011b3ce0 pc=0x9cea58
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc007d77500, 0x2, 0xc007d77500)
	pkg/sentry/kernel/task_syscall.go:174 +0x15c fp=0xc0011b3e10 sp=0xc0011b3d40 pc=0x9ce3fc
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc007d77500, 0x12e7720, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0xc45 fp=0xc0011b3f60 sp=0xc0011b3e10 pc=0x9c2805
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc007d77500, 0xd087)
	pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc0011b3fd0 sp=0xc0011b3f60 pc=0x9c14cf
runtime.goexit()
	src/runtime/asm_amd64.s:1374 +0x1 fp=0xc0011b3fd8 sp=0xc0011b3fd0 pc=0x4705a1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:323 +0xfe