panic: unknown network protocol number 0

goroutine 809950 [running]:
panic(0x1210a60, 0xc0034b9450)
	GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc005c48918 sp=0xc005c48850 pc=0x437c65
gvisor.dev/gvisor/pkg/tcpip/stack.(*PacketBuffer).Network(0xc003858b40, 0xc001c3bdd0, 0xed975395e)
	pkg/tcpip/stack/packet_buffer.go:421 +0x1c7 fp=0xc005c48970 sp=0xc005c48918 pc=0x9e5727
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).HandlePacket.func1(0xc003458580, 0xc003858b40, 0xc003858b00)
	pkg/tcpip/transport/raw/endpoint.go:688 +0x348 fp=0xc005c49f78 sp=0xc005c48970 pc=0xbb2f68
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).HandlePacket(0xc003458580, 0xc003858b40)
	pkg/tcpip/transport/raw/endpoint.go:818 +0x3f fp=0xc005c49fa0 sp=0xc005c49f78 pc=0xbafb9f
gvisor.dev/gvisor/pkg/tcpip/stack.(*transportDemuxer).deliverRawPacket(0xc08bfe3290, 0x1, 0xc003858780, 0x8)
	pkg/tcpip/stack/transport_demuxer.go:771 +0x1a3 fp=0xc005c4a058 sp=0xc005c49fa0 pc=0x9fd143
gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).DeliverRawPacket(0xc08a3ded20, 0xc000000001, 0xc003858780)
	pkg/tcpip/stack/nic.go:1123 +0x65 fp=0xc005c4a090 sp=0xc005c4a058 pc=0x9e2ae5
gvisor.dev/gvisor/pkg/tcpip/network/ipv4.(*endpoint).handleValidatedPacket(0xc004c59800, 0xc005180716, 0x14, 0x14, 0xc003858a00, 0x142962a, 0x2)
	pkg/tcpip/network/ipv4/ipv4.go:1143 +0xf82 fp=0xc005c4a858 sp=0xc005c4a090 pc=0xc03a22
gvisor.dev/gvisor/pkg/tcpip/network/ipv4.(*endpoint).HandlePacket(0xc004c59800, 0xc003858a00)
	pkg/tcpip/network/ipv4/ipv4.go:928 +0x1a5 fp=0xc005c4aab8 sp=0xc005c4a858 pc=0xc02425
gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).DeliverNetworkPacket(0xc08a3ded20, 0xc004fca1fa, 0x6, 0xc004fca200, 0x6, 0x800, 0xc003858a00)
	pkg/tcpip/stack/nic.go:938 +0x3ae fp=0xc005c4ab70 sp=0xc005c4aab8 pc=0x9e1c2e
gvisor.dev/gvisor/pkg/tcpip/link/nested.(*Endpoint).DeliverNetworkPacket(0xc088516690, 0xc004fca1fa, 0x6, 0xc004fca200, 0x6, 0x800, 0xc003858a00)
	pkg/tcpip/link/nested/nested.go:63 +0x104 fp=0xc005c4abd0 sp=0xc005c4ab70 pc=0xcb7804
gvisor.dev/gvisor/pkg/tcpip/link/ethernet.(*Endpoint).DeliverNetworkPacket(0xc088516690, 0x0, 0x0, 0x0, 0x0, 0x800, 0xc003858a00)
	pkg/tcpip/link/ethernet/ethernet.go:82 +0x1bb fp=0xc005c4ac40 sp=0xc005c4abd0 pc=0xf9b89b
gvisor.dev/gvisor/pkg/tcpip/link/loopback.(*endpoint).WriteRawPacket(0xc0038845a0, 0xc0038588c0, 0x0, 0x0)
	pkg/tcpip/link/loopback/loopback.go:125 +0x128 fp=0xc005c4acb0 sp=0xc005c4ac40 pc=0xf9c468
gvisor.dev/gvisor/pkg/tcpip/link/loopback.(*endpoint).WritePackets(0xc0038845a0, 0xc0038588c0, 0xc0038588c0, 0x0, 0x0, 0xc000000800)
	pkg/tcpip/link/loopback/loopback.go:91 +0x90 fp=0xc005c4acf0 sp=0xc005c4acb0 pc=0xf9c290
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(0xc088516690, 0xc0038588c0, 0xc0038588c0, 0x0, 0xc005bc4d20, 0x14854c8)
	pkg/tcpip/link/ethernet/ethernet.go:108 +0x10b fp=0xc005c4ad50 sp=0xc005c4acf0 pc=0xf9baab
gvisor.dev/gvisor/pkg/tcpip/stack.(*delegatingQueueingDiscipline).WritePacket(0xc0038845b0, 0xc0038588c0, 0x0, 0xc0038588c0)
	pkg/tcpip/stack/nic.go:166 +0x75 fp=0xc005c4ada0 sp=0xc005c4ad50 pc=0x9de235
gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).writePacket(0xc08a3ded20, 0xc0038588c0, 0xc004fca180, 0x4)
	pkg/tcpip/stack/nic.go:448 +0xbb fp=0xc005c4ade8 sp=0xc005c4ada0 pc=0x9dfafb
gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).WritePacket(0xc08a3ded20, 0xc0002912c0, 0xc0038588c0, 0x0, 0x0)
	pkg/tcpip/stack/nic.go:407 +0x229 fp=0xc005c4af28 sp=0xc005c4ade8 pc=0x9df8a9
gvisor.dev/gvisor/pkg/tcpip/network/ipv4.(*endpoint).writePacketPostRouting.func1(0xc0038588c0, 0xc0051806c6, 0x14)
	pkg/tcpip/network/ipv4/ipv4.go:592 +0x52 fp=0xc005c4af60 sp=0xc005c4af28 pc=0xc09052
gvisor.dev/gvisor/pkg/tcpip/network/ipv4.(*endpoint).handleFragments(0xc004c59800, 0xc0002912c0, 0xc00000ffde, 0xc0078363c0, 0xc005c4b0e0, 0x142962a, 0x2, 0x1, 0x0)
	pkg/tcpip/network/ipv4/ipv4.go:476 +0x15e fp=0xc005c4b070 sp=0xc005c4af60 pc=0xbfffbe
gvisor.dev/gvisor/pkg/tcpip/network/ipv4.(*endpoint).writePacketPostRouting(0xc004c59800, 0xc0002912c0, 0xc0078363c0, 0xc004fca100, 0x4, 0xc005180601)
	pkg/tcpip/network/ipv4/ipv4.go:586 +0x332 fp=0xc005c4b2b8 sp=0xc005c4b070 pc=0xc00852
gvisor.dev/gvisor/pkg/tcpip/network/ipv4.(*endpoint).writePacket(0xc004c59800, 0xc0002912c0, 0xc0078363c0, 0xc004fca180, 0x4)
	pkg/tcpip/network/ipv4/ipv4.go:536 +0x205 fp=0xc005c4b340 sp=0xc005c4b2b8 pc=0xc00425
gvisor.dev/gvisor/pkg/tcpip/network/ipv4.(*endpoint).WritePacket(0xc004c59800, 0xc0002912c0, 0x4000000001, 0xc0078363c0, 0x9e48d7, 0x15e9748)
	pkg/tcpip/network/ipv4/ipv4.go:498 +0x11b fp=0xc005c4b3b0 sp=0xc005c4b340 pc=0xc001db
gvisor.dev/gvisor/pkg/tcpip/stack.(*Route).WritePacket(0xc0002912c0, 0x4000000001, 0xc0078363c0, 0xc0020cd4c0, 0xc0078363c0)
	pkg/tcpip/stack/route.go:572 +0xd7 fp=0xc005c4b3f0 sp=0xc005c4b3b0 pc=0x9ec517
gvisor.dev/gvisor/pkg/tcpip/transport/internal/network.(*WriteContext).WritePacket(0xc0020cd4d8, 0xc0078363c0, 0x0, 0x1, 0xffe0)
	pkg/tcpip/transport/internal/network/endpoint.go:295 +0xd6 fp=0xc005c4b428 sp=0xc005c4b3f0 pc=0xba16b6
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).write(0xc005834000, 0x15dad68, 0xc000a86550, 0xc005198560, 0x0, 0x0, 0x0, 0x0)
	pkg/tcpip/transport/raw/endpoint.go:392 +0x53b fp=0xc005c4b5d8 sp=0xc005c4b428 pc=0xbaeb5b
gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).Write(0xc005834000, 0x15dad68, 0xc000a86550, 0xc005198560, 0xc004000000, 0x4, 0x0, 0xa80002)
	pkg/tcpip/transport/raw/endpoint.go:323 +0xc5 fp=0xc005c4b628 sp=0xc005c4b5d8 pc=0xbae2c5
gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*socketOpsCommon).SendMsg(0xc0020f9490, 0xc0077b0000, 0x15f4740, 0xc00a8d3000, 0x0, 0x1, 0x20000040, 0xffe0, 0x100, 0xc004fca170, ...)
	pkg/sentry/socket/netstack/netstack.go:3915 +0x243 fp=0xc005c4b788 sp=0xc005c4b628 pc=0xc4dd63
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.sendSingleMsg(0xc0077b0000, 0x3fcfdbcfd418, 0xc0020f9420, 0xc0020f9420, 0x20001440, 0xc000000040, 0xfb605d, 0xc0020cdb68, 0x7f374cc00000)
	pkg/sentry/syscalls/linux/vfs2/socket.go:1437 +0x555 fp=0xc005c4bae8 sp=0xc005c4b788 pc=0xf75e55
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.SendMMsg(0xc0077b0000, 0x4, 0x20001440, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/socket.go:1329 +0x37f fp=0xc005c4bbb8 sp=0xc005c4bae8 pc=0xf7547f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0077b0000, 0x133, 0x4, 0x20001440, 0x1, 0x0, 0x0, 0x0, 0xc000001fa0, 0x1424720, ...)
	pkg/sentry/kernel/task_syscall.go:115 +0x199 fp=0xc005c4bc78 sp=0xc005c4bbb8 pc=0xa83359
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0077b0000, 0x133, 0x4, 0x20001440, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:290 +0x70 fp=0xc005c4bd00 sp=0xc005c4bc78 pc=0xa84630
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0077b0000, 0x133, 0x4, 0x20001440, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:237 +0xb4 fp=0xc005c4bd60 sp=0xc005c4bd00 pc=0xa84114
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0077b0000, 0x2, 0xc0077b0000)
	pkg/sentry/kernel/task_syscall.go:204 +0x198 fp=0xc005c4be30 sp=0xc005c4bd60 pc=0xa839f8
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0077b0000, 0x15ccf60, 0x0)
	pkg/sentry/kernel/task_run.go:294 +0xd9a fp=0xc005c4bf68 sp=0xc005c4be30 pc=0xa7691a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0077b0000, 0x434e)
	pkg/sentry/kernel/task_run.go:98 +0x1b9 fp=0xc005c4bfd0 sp=0xc005c4bf68 pc=0xa756d9
runtime.goexit()
	src/runtime/asm_amd64.s:1371 +0x1 fp=0xc005c4bfd8 sp=0xc005c4bfd0 pc=0x472861
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:398 +0x116