panic: addresses 224.0.0.2 and fe80::aa do not have the same length

goroutine 1469915 [running]:
panic({0xfe3400, 0xc0083faa40})
	GOROOT/src/runtime/panic.go:941 +0x397 fp=0xc000a2cc90 sp=0xc000a2cbd0 pc=0x435837
gvisor.dev/gvisor/pkg/tcpip.Address.MatchingPrefix({0xc0085f25ec?, 0x8?}, {0xc00084c5b0, 0x10})
	pkg/tcpip/tcpip.go:176 +0x1c8 fp=0xc000a2ccf8 sp=0xc000a2cc90 pc=0x6b3bc8
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).acquireOutgoingPrimaryAddressRLocked.func1({0x140fe50, 0xc0004d66e0})
	pkg/tcpip/network/ipv6/ipv6.go:2034 +0x109 fp=0xc000a2cde0 sp=0xc000a2ccf8 pc=0xb90ca9
gvisor.dev/gvisor/pkg/tcpip/stack.(*AddressableEndpointState).ForEachPrimaryEndpoint(0xc000341c40, 0xc000a2ced0)
	pkg/tcpip/stack/addressable_endpoint_state.go:123 +0xec fp=0xc000a2ce38 sp=0xc000a2cde0 pc=0x96ca2c
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).acquireOutgoingPrimaryAddressRLocked(0x7fbd54e00000?, {0xc0085f25ec, 0x4}, 0x0?)
	pkg/tcpip/network/ipv6/ipv6.go:2014 +0xf9 fp=0xc000a2cf68 sp=0xc000a2ce38 pc=0xb90479
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).AcquireOutgoingPrimaryAddress(0xc000341600, {0xc0085f25ec, 0x4}, 0xa0?)
	pkg/tcpip/network/ipv6/ipv6.go:1968 +0xb9 fp=0xc000a2cfc8 sp=0xc000a2cf68 pc=0xb900d9
gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).primaryEndpoint(0xc0004b4400, 0x0?, {0xc0085f25ec, 0x4})
	pkg/tcpip/stack/nic.go:440 +0x112 fp=0xc000a2d028 sp=0xc000a2cfc8 pc=0x987a12
gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).getAddressEP(0x0?, 0xc001ddc988?, {0x0?, 0xc0077861ba?}, {0xc0085f25ec?, 0xc0077861b8?}, 0x5989878?)
	pkg/tcpip/stack/stack.go:1143 +0x48 fp=0xc000a2d068 sp=0xc000a2d028 pc=0x99ad08
gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).FindRoute.func1(0xc0004e8700, {0xc0085f25ec, 0x4}, 0x0, {0x0, 0x0}, 0x1?, 0x0, 0x0?, 0x1, ...)
	pkg/tcpip/stack/stack.go:1333 +0x309 fp=0xc000a2d208 sp=0xc000a2d068 pc=0x99c949
gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).FindRoute(0xc0004e8700, 0x0, {0x0, 0x0}, {0xc0085f25ec, 0x4}, 0xfcd320?, 0x0?)
	pkg/tcpip/stack/stack.go:1359 +0x6db fp=0xc000a2d400 sp=0xc000a2d208 pc=0x99bdfb
gvisor.dev/gvisor/pkg/tcpip/transport/internal/network.(*Endpoint).SetSockOpt(0xc004f48320, {0x13f8400?, 0xc0097d5680})
	pkg/tcpip/transport/internal/network/endpoint.go:926 +0x7e5 fp=0xc000a2d658 sp=0xc000a2d400 pc=0xb1a545
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).SetSockOpt(0x20000e0?, {0x13f8400?, 0xc0097d5680?})
	pkg/tcpip/transport/raw/endpoint.go:498 +0x1f8 fp=0xc000a2d6b0 sp=0xc000a2d658 pc=0xb244d8
gvisor.dev/gvisor/pkg/sentry/socket/netstack.setSockOptIP(0xc008e30000, {0x14110f8, 0xc004cd9960}, {0x3fc155eb3928, 0xc004f48300}, 0x23, {0xc008e30944, 0xc, 0x90})
	pkg/sentry/socket/netstack/netstack.go:2464 +0xe82 fp=0xc000a2d768 sp=0xc000a2d6b0 pc=0xbbf3e2
gvisor.dev/gvisor/pkg/sentry/socket/netstack.SetSockOpt(0x0?, {0x14110f8?, 0xc004cd9960?}, {0x3fc155eb3928?, 0xc004f48300?}, 0x90?, 0x140fa10?, {0xc008e30944, 0xc, 0x90})
	pkg/sentry/socket/netstack/netstack.go:1804 +0xb0 fp=0xc000a2d7c0 sp=0xc000a2d768 pc=0xbbb3b0
gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*SocketVFS2).SetSockOpt(0xc004cd9960, 0x14196f8?, 0x0, 0x23, {0xc008e30944, 0xc, 0x90})
	pkg/sentry/socket/netstack/netstack_vfs2.go:268 +0x2e7 fp=0xc000a2d878 sp=0xc000a2d7c0 pc=0xbc7587
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.SetSockOpt(0xc008e30000, {{0x3}, {0x0}, {0x23}, {0x20000000}, {0xc}, {0x0}})
	pkg/sentry/syscalls/linux/vfs2/socket.go:552 +0x2bb fp=0xc000a2d958 sp=0xc000a2d878 pc=0xd0615b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc008e30000, 0x36, {{0x3}, {0x0}, {0x23}, {0x20000000}, {0xc}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x7d0 fp=0xc000a2dc98 sp=0xc000a2d958 pc=0xa28870
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc008e30000, 0x0?, {{0x3}, {0x0}, {0x23}, {0x20000000}, {0xc}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc000a2dcf8 sp=0xc000a2dc98 pc=0xa29e34
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0005bc040?, 0xc000a2de40?, {{0x3}, {0x0}, {0x23}, {0x20000000}, {0xc}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc000a2dd58 sp=0xc000a2dcf8 pc=0xa29a25
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc008e30000)
	pkg/sentry/kernel/task_syscall.go:257 +0x3b5 fp=0xc000a2de50 sp=0xc000a2dd58 pc=0xa296f5
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc006b3e780?, 0xc008e30000)
	pkg/sentry/kernel/task_run.go:253 +0x1145 fp=0xc000a2df60 sp=0xc000a2de50 pc=0xa1b505
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc008e30000, 0xb12e)
	pkg/sentry/kernel/task_run.go:94 +0x1ec fp=0xc000a2dfc0 sp=0xc000a2df60 pc=0xa19d2c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:370 +0x2a fp=0xc000a2dfe0 sp=0xc000a2dfc0 pc=0xa26d4a
runtime.goexit()
	src/runtime/asm_amd64.s:1571 +0x1 fp=0xc000a2dfe8 sp=0xc000a2dfe0 pc=0x469321
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:370 +0x105