panic: unknown network protocol number 0

goroutine 202692 [running]:
panic(0x12119c0, 0xc006368700)
	GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc006d2c8f8 sp=0xc006d2c830 pc=0x437c65
gvisor.dev/gvisor/pkg/tcpip/stack.(*PacketBuffer).Network(0xc0069cfc00, 0xc001feaab0, 0xed97a40dc)
	pkg/tcpip/stack/packet_buffer.go:420 +0x1d7 fp=0xc006d2c950 sp=0xc006d2c8f8 pc=0x9e59b7
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).HandlePacket.func1(0xc006a2a000, 0xc0069cfc00, 0x0)
	pkg/tcpip/transport/raw/endpoint.go:688 +0x348 fp=0xc006d2df58 sp=0xc006d2c950 pc=0xbb3208
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).HandlePacket(0xc006a2a000, 0xc0069cfc00)
	pkg/tcpip/transport/raw/endpoint.go:818 +0x3f fp=0xc006d2df80 sp=0xc006d2df58 pc=0xbafe3f
gvisor.dev/gvisor/pkg/tcpip/stack.(*transportDemuxer).deliverRawPacket(0xc0009fe690, 0x1, 0xc001e96380, 0x8)
	pkg/tcpip/stack/transport_demuxer.go:771 +0x1a3 fp=0xc006d2e038 sp=0xc006d2df80 pc=0x9fd503
gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).DeliverRawPacket(0xc00000a1e0, 0xc000000001, 0xc001e96380)
	pkg/tcpip/stack/nic.go:1123 +0x65 fp=0xc006d2e070 sp=0xc006d2e038 pc=0x9e2c25
gvisor.dev/gvisor/pkg/tcpip/network/ipv4.(*endpoint).handleValidatedPacket(0xc000686e00, 0xc006a46e96, 0x14, 0x14, 0xc005f93180, 0x142a58a, 0x2)
	pkg/tcpip/network/ipv4/ipv4.go:1145 +0xfa2 fp=0xc006d2e838 sp=0xc006d2e070 pc=0xc03e82
gvisor.dev/gvisor/pkg/tcpip/network/ipv4.(*endpoint).HandlePacket(0xc000686e00, 0xc005f93180)
	pkg/tcpip/network/ipv4/ipv4.go:930 +0x1a5 fp=0xc006d2ea98 sp=0xc006d2e838 pc=0xc02865
gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).DeliverNetworkPacket(0xc00000a1e0, 0xc0062a352a, 0x6, 0xc0062a3530, 0x6, 0x800, 0xc005f93180)
	pkg/tcpip/stack/nic.go:938 +0x3ae fp=0xc006d2eb50 sp=0xc006d2ea98 pc=0x9e1d4e
gvisor.dev/gvisor/pkg/tcpip/link/nested.(*Endpoint).DeliverNetworkPacket(0xc0000c6f50, 0xc0062a352a, 0x6, 0xc0062a3530, 0x6, 0x800, 0xc005f93180)
	pkg/tcpip/link/nested/nested.go:63 +0x104 fp=0xc006d2ebb0 sp=0xc006d2eb50 pc=0xcb7d44
gvisor.dev/gvisor/pkg/tcpip/link/ethernet.(*Endpoint).DeliverNetworkPacket(0xc0000c6f50, 0x0, 0x0, 0x0, 0x0, 0x800, 0xc005f93180)
	pkg/tcpip/link/ethernet/ethernet.go:82 +0x1bb fp=0xc006d2ec20 sp=0xc006d2ebb0 pc=0xf9bddb
gvisor.dev/gvisor/pkg/tcpip/link/loopback.(*endpoint).WriteRawPacket(0xc000d0e150, 0xc001e96700, 0x0, 0x0)
	pkg/tcpip/link/loopback/loopback.go:125 +0x12f fp=0xc006d2ec90 sp=0xc006d2ec20 pc=0xf9c9af
gvisor.dev/gvisor/pkg/tcpip/link/loopback.(*endpoint).WritePackets(0xc000d0e150, 0xc001e96700, 0xc001e96700, 0x0, 0x0, 0xc000000800)
	pkg/tcpip/link/loopback/loopback.go:91 +0x90 fp=0xc006d2ecd0 sp=0xc006d2ec90 pc=0xf9c7d0
gvisor.dev/gvisor/pkg/tcpip/link/nested.(*Endpoint).WritePackets(...)
	pkg/tcpip/link/nested/nested.go:120
gvisor.dev/gvisor/pkg/tcpip/link/ethernet.(*Endpoint).WritePackets(0xc0000c6f50, 0xc001e96700, 0xc001e96700, 0x0, 0xc006984d00, 0x1486428)
	pkg/tcpip/link/ethernet/ethernet.go:108 +0x10e fp=0xc006d2ed30 sp=0xc006d2ecd0 pc=0xf9bfee
gvisor.dev/gvisor/pkg/tcpip/stack.(*delegatingQueueingDiscipline).WritePacket(0xc000d0e160, 0xc001e96700, 0x0, 0xc001e96700)
	pkg/tcpip/stack/nic.go:166 +0x75 fp=0xc006d2ed80 sp=0xc006d2ed30 pc=0x9de355
gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).writePacket(0xc00000a1e0, 0xc001e96700, 0xc0062a34b4, 0x4)
	pkg/tcpip/stack/nic.go:448 +0xbf fp=0xc006d2edc8 sp=0xc006d2ed80 pc=0x9dfc1f
gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).WritePacket(0xc00000a1e0, 0xc00ac5c780, 0xc001e96700, 0x0, 0x0)
	pkg/tcpip/stack/nic.go:407 +0x229 fp=0xc006d2ef08 sp=0xc006d2edc8 pc=0x9df9c9
gvisor.dev/gvisor/pkg/tcpip/network/ipv4.(*endpoint).writePacketPostRouting.func1(0xc001e96700, 0xc006a46e46, 0x14)
	pkg/tcpip/network/ipv4/ipv4.go:594 +0x52 fp=0xc006d2ef40 sp=0xc006d2ef08 pc=0xc094b2
gvisor.dev/gvisor/pkg/tcpip/network/ipv4.(*endpoint).handleFragments(0xc000686e00, 0xc00ac5c780, 0xc00000ffde, 0xc0069cf880, 0xc006d2f0e0, 0x142a58a, 0x2, 0x1, 0x0)
	pkg/tcpip/network/ipv4/ipv4.go:476 +0x166 fp=0xc006d2f070 sp=0xc006d2ef40 pc=0xc003a6
gvisor.dev/gvisor/pkg/tcpip/network/ipv4.(*endpoint).writePacketPostRouting(0xc000686e00, 0xc00ac5c780, 0xc0069cf880, 0xc0062a3400, 0x4, 0xc006a46e01)
	pkg/tcpip/network/ipv4/ipv4.go:588 +0x332 fp=0xc006d2f2b8 sp=0xc006d2f070 pc=0xc00c92
gvisor.dev/gvisor/pkg/tcpip/network/ipv4.(*endpoint).writePacket(0xc000686e00, 0xc00ac5c780, 0xc0069cf880, 0xc0062a34b4, 0x4)
	pkg/tcpip/network/ipv4/ipv4.go:538 +0x205 fp=0xc006d2f340 sp=0xc006d2f2b8 pc=0xc00865
gvisor.dev/gvisor/pkg/tcpip/network/ipv4.(*endpoint).WritePacket(0xc000686e00, 0xc00ac5c780, 0x4000000001, 0xc0069cf880, 0x9e49ee, 0x15ea768)
	pkg/tcpip/network/ipv4/ipv4.go:500 +0x11b fp=0xc006d2f3b0 sp=0xc006d2f340 pc=0xc0061b
gvisor.dev/gvisor/pkg/tcpip/stack.(*Route).WritePacket(0xc00ac5c780, 0x4000000001, 0xc0069cf880, 0xc0069854c0, 0xc0069cf880)
	pkg/tcpip/stack/route.go:572 +0xd7 fp=0xc006d2f3f0 sp=0xc006d2f3b0 pc=0x9ec8d7
gvisor.dev/gvisor/pkg/tcpip/transport/internal/network.(*WriteContext).WritePacket(0xc0069854d8, 0xc0069cf880, 0x0, 0x1, 0xffe0)
	pkg/tcpip/transport/internal/network/endpoint.go:295 +0xd6 fp=0xc006d2f428 sp=0xc006d2f3f0 pc=0xba1956
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).write(0xc006a08000, 0x15dbd88, 0xc002baa410, 0xc006203740, 0x0, 0x0, 0x0, 0x0)
	pkg/tcpip/transport/raw/endpoint.go:392 +0x53b fp=0xc006d2f5d8 sp=0xc006d2f428 pc=0xbaedfb
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).Write(0xc006a08000, 0x15dbd88, 0xc002baa410, 0xc006203740, 0xc006000000, 0x4, 0x0, 0xa80002)
	pkg/tcpip/transport/raw/endpoint.go:323 +0xc5 fp=0xc006d2f628 sp=0xc006d2f5d8 pc=0xbae565
gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*socketOpsCommon).SendMsg(0xc00ac63650, 0xc006d44a80, 0x15f5760, 0xc007743000, 0x0, 0x1, 0x20000040, 0xffe0, 0x100, 0xc0062a34c0, ...)
	pkg/sentry/socket/netstack/netstack.go:3915 +0x243 fp=0xc006d2f788 sp=0xc006d2f628 pc=0xc4e2a3
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.sendSingleMsg(0xc006d44a80, 0x3f35bf038c98, 0xc00ac635e0, 0xc00ac635e0, 0x20001440, 0x40, 0x0, 0x0, 0x0)
	pkg/sentry/syscalls/linux/vfs2/socket.go:1437 +0x555 fp=0xc006d2fae8 sp=0xc006d2f788 pc=0xf76395
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.SendMMsg(0xc006d44a80, 0x4, 0x20001440, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/socket.go:1329 +0x37f fp=0xc006d2fbb8 sp=0xc006d2fae8 pc=0xf759bf
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc006d44a80, 0x133, 0x4, 0x20001440, 0x1, 0x0, 0x0, 0x0, 0xc000001fa0, 0x1425680, ...)
	pkg/sentry/kernel/task_syscall.go:115 +0x199 fp=0xc006d2fc78 sp=0xc006d2fbb8 pc=0xa835d9
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc006d44a80, 0x133, 0x4, 0x20001440, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:290 +0x70 fp=0xc006d2fd00 sp=0xc006d2fc78 pc=0xa848b0
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc006d44a80, 0x133, 0x4, 0x20001440, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:237 +0xb4 fp=0xc006d2fd60 sp=0xc006d2fd00 pc=0xa84394
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc006d44a80, 0x2, 0xc006d44a80)
	pkg/sentry/kernel/task_syscall.go:204 +0x198 fp=0xc006d2fe30 sp=0xc006d2fd60 pc=0xa83c78
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc006d44a80, 0x15cdf80, 0x0)
	pkg/sentry/kernel/task_run.go:294 +0xd9a fp=0xc006d2ff68 sp=0xc006d2fe30 pc=0xa76b9a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc006d44a80, 0x19ec)
	pkg/sentry/kernel/task_run.go:98 +0x1b9 fp=0xc006d2ffd0 sp=0xc006d2ff68 pc=0xa75959
runtime.goexit()
	src/runtime/asm_amd64.s:1371 +0x1 fp=0xc006d2ffd8 sp=0xc006d2ffd0 pc=0x472861
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:398 +0x116