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flow.proto
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// Copyright 2019 Authors of Hubble
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
syntax = "proto3";
import "google/protobuf/wrappers.proto";
import "google/protobuf/timestamp.proto";
package flow;
option go_package = "github.com/cilium/cilium/api/v1/flow";
message Flow {
google.protobuf.Timestamp time = 1;
Verdict verdict = 2;
// only applicable to Verdict = DROPPED.
// deprecated in favor of drop_reason_desc.
uint32 drop_reason = 3 [deprecated=true];
// l2
Ethernet ethernet = 4;
// l3
IP IP = 5;
// l4
Layer4 l4 = 6;
reserved 7; // removed, do not use
Endpoint source = 8;
Endpoint destination = 9;
FlowType Type = 10;
// NodeName is the name of the node from which this Flow was captured.
string node_name = 11;
reserved 12; // removed, do not use
// all names the source IP can have.
repeated string source_names = 13;
// all names the destination IP can have.
repeated string destination_names = 14;
// L7 information. This field is set if and only if FlowType is L7.
Layer7 l7 = 15;
// Deprecated. This suffers from false negatives due to protobuf not being
// able to distinguish between the value being false or it being absent.
// Please use is_reply instead.
bool reply = 16 [deprecated=true];
reserved 17, 18; // removed, do not use
// EventType of the originating Cilium event
CiliumEventType event_type = 19;
// source_service contains the service name of the source
Service source_service = 20;
// destination_service contains the service name of the destination
Service destination_service = 21;
// traffic_direction of the connection, e.g. ingress or egress
TrafficDirection traffic_direction = 22;
// policy_match_type is only applicable to the cilium event type PolicyVerdict
// https://github.com/cilium/cilium/blob/e831859b5cc336c6d964a6d35bbd34d1840e21b9/pkg/monitor/datapath_policy.go#L50
uint32 policy_match_type = 23;
// Only applicable to cilium trace notifications, blank for other types.
TraceObservationPoint trace_observation_point = 24;
// only applicable to Verdict = DROPPED.
DropReason drop_reason_desc = 25;
// is_reply indicates that this was a packet (L4) or message (L7) in the
// reply direction. May be absent (in which case it is unknown whether it
// is a reply or not).
google.protobuf.BoolValue is_reply = 26;
// Only applicable to cilium debug capture events, blank for other types
DebugCapturePoint debug_capture_point = 27;
// interface is the network interface on which this flow was observed
NetworkInterface interface = 28;
// proxy_port indicates the port of the proxy to which the flow was forwarded
uint32 proxy_port = 29;
// This is a temporary workaround to support summary field for pb.Flow without
// duplicating logic from the old parser. This field will be removed once we
// fully migrate to the new parser.
string Summary = 100000 [deprecated=true];
}
enum FlowType {
UNKNOWN_TYPE = 0;
L3_L4 = 1; // not sure about the underscore here, but `L34` also reads strange
L7 = 2;
}
enum TraceObservationPoint {
// Cilium treats 0 as TO_LXC, but its's something we should work to remove.
// This is intentionally set as unknown, so proto API can guarantee the
// observation point is always going to be present on trace events.
UNKNOWN_POINT = 0;
TO_PROXY = 1;
TO_HOST = 2;
TO_STACK = 3;
TO_OVERLAY = 4;
// same as TO_LXC, which had a 0 value. This index is intentionally very
// high so when new segments are added in bpf, there are no collisions
TO_ENDPOINT = 101;
FROM_ENDPOINT = 5;
FROM_PROXY = 6;
FROM_HOST = 7;
FROM_STACK = 8;
FROM_OVERLAY = 9;
FROM_NETWORK = 10;
TO_NETWORK= 11;
}
message Layer4 {
oneof protocol {
TCP TCP = 1;
UDP UDP = 2;
// ICMP is technically not L4, but mutually exclusive with the above
ICMPv4 ICMPv4 = 3;
ICMPv6 ICMPv6 = 4;
}
}
// This enum corresponds to Cilium's L7 accesslog FlowType:
// https://github.com/cilium/cilium/blob/728c79e427438ab6f8d9375b62fccd6fed4ace3a/pkg/proxy/accesslog/record.go#L26
enum L7FlowType {
UNKNOWN_L7_TYPE = 0;
REQUEST = 1;
RESPONSE = 2;
SAMPLE = 3;
}
// Message for L7 flow, which roughly corresponds to Cilium's accesslog LogRecord:
// https://github.com/cilium/cilium/blob/728c79e427438ab6f8d9375b62fccd6fed4ace3a/pkg/proxy/accesslog/record.go#L141
message Layer7 {
L7FlowType type = 1;
// Latency of the response
uint64 latency_ns = 2;
// L7 field. This field is set if and only if FlowType is L7.
oneof record {
DNS dns = 100;
HTTP http = 101;
Kafka kafka = 102;
}
}
message Endpoint {
uint32 ID = 1;
uint32 identity = 2;
string namespace = 3;
// labels in `foo=bar` format.
repeated string labels = 4;
string pod_name = 5;
}
message TCP {
uint32 source_port = 1;
uint32 destination_port = 2;
TCPFlags flags = 3;
}
message IP {
string source = 1;
string destination = 2;
IPVersion ipVersion = 3;
// This field indicates whether the TraceReasonEncryptMask is set or not.
// https://github.com/cilium/cilium/blob/ba0ed147bd5bb342f67b1794c2ad13c6e99d5236/pkg/monitor/datapath_trace.go#L27
bool encrypted = 4;
}
message Ethernet {
string source = 1;
string destination = 2;
}
message TCPFlags {
bool FIN = 1;
bool SYN = 2;
bool RST = 3;
bool PSH = 4;
bool ACK = 5;
bool URG = 6;
bool ECE = 7;
bool CWR = 8;
bool NS = 9;
}
message UDP {
uint32 source_port = 1;
uint32 destination_port = 2;
}
message ICMPv4 {
uint32 type = 1;
uint32 code = 2;
}
message ICMPv6 {
uint32 type = 1;
uint32 code = 2;
}
enum IPVersion {
IP_NOT_USED = 0;
IPv4 = 1;
IPv6 = 2;
}
enum Verdict {
VERDICT_UNKNOWN = 0;
FORWARDED = 1;
DROPPED = 2;
ERROR = 3;
AUDIT = 4;
REDIRECTED = 5;
}
// These values are shared with pkg/monitor/api/drop.go and bpf/lib/common.h.
// Note that non-drop reasons (i.e. values less than api.DropMin) are not used
// here.
enum DropReason {
// non-drop reasons
DROP_REASON_UNKNOWN = 0;
// drop reasons
INVALID_SOURCE_MAC = 130;
INVALID_DESTINATION_MAC = 131;
INVALID_SOURCE_IP = 132;
POLICY_DENIED = 133;
INVALID_PACKET_DROPPED = 134;
CT_TRUNCATED_OR_INVALID_HEADER = 135;
CT_MISSING_TCP_ACK_FLAG = 136;
CT_UNKNOWN_L4_PROTOCOL = 137;
CT_CANNOT_CREATE_ENTRY_FROM_PACKET = 138;
UNSUPPORTED_L3_PROTOCOL = 139;
MISSED_TAIL_CALL = 140;
ERROR_WRITING_TO_PACKET = 141;
UNKNOWN_L4_PROTOCOL = 142;
UNKNOWN_ICMPV4_CODE = 143;
UNKNOWN_ICMPV4_TYPE = 144;
UNKNOWN_ICMPV6_CODE = 145;
UNKNOWN_ICMPV6_TYPE = 146;
ERROR_RETRIEVING_TUNNEL_KEY = 147;
ERROR_RETRIEVING_TUNNEL_OPTIONS = 148;
INVALID_GENEVE_OPTION = 149;
UNKNOWN_L3_TARGET_ADDRESS = 150;
STALE_OR_UNROUTABLE_IP = 151;
NO_MATCHING_LOCAL_CONTAINER_FOUND = 152;
ERROR_WHILE_CORRECTING_L3_CHECKSUM = 153;
ERROR_WHILE_CORRECTING_L4_CHECKSUM = 154;
CT_MAP_INSERTION_FAILED = 155;
INVALID_IPV6_EXTENSION_HEADER = 156;
IP_FRAGMENTATION_NOT_SUPPORTED = 157;
SERVICE_BACKEND_NOT_FOUND = 158;
NO_TUNNEL_OR_ENCAPSULATION_ENDPOINT = 160;
FAILED_TO_INSERT_INTO_PROXYMAP = 161;
REACHED_EDT_RATE_LIMITING_DROP_HORIZON = 162;
UNKNOWN_CONNECTION_TRACKING_STATE = 163;
LOCAL_HOST_IS_UNREACHABLE = 164;
NO_CONFIGURATION_AVAILABLE_TO_PERFORM_POLICY_DECISION = 165;
UNSUPPORTED_L2_PROTOCOL = 166;
NO_MAPPING_FOR_NAT_MASQUERADE = 167;
UNSUPPORTED_PROTOCOL_FOR_NAT_MASQUERADE = 168;
FIB_LOOKUP_FAILED = 169;
ENCAPSULATION_TRAFFIC_IS_PROHIBITED = 170;
INVALID_IDENTITY = 171;
UNKNOWN_SENDER = 172;
NAT_NOT_NEEDED = 173;
IS_A_CLUSTERIP = 174;
FIRST_LOGICAL_DATAGRAM_FRAGMENT_NOT_FOUND = 175;
FORBIDDEN_ICMPV6_MESSAGE = 176;
DENIED_BY_LB_SRC_RANGE_CHECK = 177;
SOCKET_LOOKUP_FAILED = 178;
SOCKET_ASSIGN_FAILED = 179;
PROXY_REDIRECTION_NOT_SUPPORTED_FOR_PROTOCOL = 180;
}
enum TrafficDirection {
TRAFFIC_DIRECTION_UNKNOWN = 0;
INGRESS = 1;
EGRESS = 2;
}
// These values are shared with pkg/monitor/api/datapath_debug.go and bpf/lib/dbg.h.
enum DebugCapturePoint {
DBG_CAPTURE_POINT_UNKNOWN = 0;
reserved 1 to 3;
DBG_CAPTURE_DELIVERY = 4;
DBG_CAPTURE_FROM_LB = 5;
DBG_CAPTURE_AFTER_V46 = 6;
DBG_CAPTURE_AFTER_V64 = 7;
DBG_CAPTURE_PROXY_PRE = 8;
DBG_CAPTURE_PROXY_POST = 9;
DBG_CAPTURE_SNAT_PRE = 10;
DBG_CAPTURE_SNAT_POST = 11;
}
// EventTypeFilter is a filter describing a particular event type
message EventTypeFilter {
// type is the primary flow type as defined by:
// github.com/cilium/cilium/pkg/monitor/api.MessageType*
int32 type = 1;
// match_sub_type is set to true when matching on the sub_type should
// be done. This flag is required as 0 is a valid sub_type.
bool match_sub_type = 2;
// sub_type is the secondary type, e.g.
// - github.com/cilium/cilium/pkg/monitor/api.Trace*
int32 sub_type = 3;
}
// CiliumEventType from which the flow originated
message CiliumEventType {
// type of event the flow originated from, i.e.
// github.com/cilium/cilium/pkg/monitor/api.MessageType*
int32 type = 1;
// sub_type may indicate more details depending on type, e.g.
// - github.com/cilium/cilium/pkg/monitor/api.Trace*
// - github.com/cilium/cilium/pkg/monitor/api.Drop*
// - github.com/cilium/cilium/pkg/monitor/api.DbgCapture*
int32 sub_type = 2;
}
// FlowFilter represent an individual flow filter. All fields are optional. If
// multiple fields are set, then all fields must match for the filter to match.
message FlowFilter {
// source_ip filters by a list of source ips. Each of the source ips can be
// specified as an exact match (e.g. "1.1.1.1") or as a CIDR range (e.g.
// "1.1.1.0/24").
repeated string source_ip = 1;
// source_pod filters by a list of source pod name prefixes, optionally
// within a given namespace (e.g. "xwing", "kube-system/coredns-").
// The pod name can be emitted to only filter by namespace
// (e.g. "kube-system/")
repeated string source_pod = 2;
// source_fqdn filters by a list of source fully qualified domain names
repeated string source_fqdn = 7;
// source_labels filters on a list of source label selectors. Selectors
// support the full Kubernetes label selector syntax.
repeated string source_label = 10;
// source_service filters on a list of source service names. This field
// supports the same syntax as the source_pod field.
repeated string source_service = 16;
// destination_ip filters by a list of destination ips. Each of the
// destination ips can be specified as an exact match (e.g. "1.1.1.1") or
// as a CIDR range (e.g. "1.1.1.0/24").
repeated string destination_ip = 3;
// destination_pod filters by a list of destination pod names
repeated string destination_pod = 4;
// destination_fqdn filters by a list of destination fully qualified domain names
repeated string destination_fqdn = 8;
// destination_label filters on a list of destination label selectors
repeated string destination_label = 11;
// destination_service filters on a list of destination service names
repeated string destination_service = 17;
// only return Flows that were classified with a particular verdict.
repeated Verdict verdict = 5;
// event_type is the list of event types to filter on
repeated EventTypeFilter event_type = 6;
// http_status_code is a list of string prefixes (e.g. "4+", "404", "5+")
// to filter on the HTTP status code
repeated string http_status_code = 9;
// protocol filters flows by L4 or L7 protocol, e.g. (e.g. "tcp", "http")
repeated string protocol = 12;
// source_port filters flows by L4 source port
repeated string source_port = 13;
// destination_port filters flows by L4 destination port
repeated string destination_port = 14;
// reply filters flows based on the direction of the flow.
repeated bool reply = 15;
// dns_query filters L7 DNS flows by query patterns (RE2 regex), e.g. 'kube.*local'.
repeated string dns_query = 18;
// source_identity filters by the security identity of the source endpoint.
repeated uint32 source_identity = 19;
// destination_identity filters by the security identity of the destination endpoint.
repeated uint32 destination_identity = 20;
// GET, POST, PUT, etc. methods. This type of field is well suited for an
// enum but every single existing place is using a string already.
repeated string http_method = 21;
// http_path is a list of regular expressions to filter on the HTTP path.
repeated string http_path = 22;
// tcp_flags filters flows based on TCP header flags
repeated TCPFlags tcp_flags = 23;
// node_name is a list of patterns to filter on the node name, e.g. (e.g.
// "k8s*", "test-cluster/*.domain.com", "cluster-name/").
repeated string node_name = 24;
// filter based on IP version (ipv4 or ipv6)
repeated IPVersion ip_version = 25;
}
// EventType are constants are based on the ones from <linux/perf_event.h>.
enum EventType {
UNKNOWN = 0;
// EventSample is equivalent to PERF_RECORD_SAMPLE.
EventSample = 9;
// RecordLost is equivalent to PERF_RECORD_LOST.
RecordLost = 2;
}
// DNS flow. This is basically directly mapped from Cilium's LogRecordDNS:
// https://github.com/cilium/cilium/blob/04f3889d627774f79e56d14ddbc165b3169e2d01/pkg/proxy/accesslog/record.go#L264
message DNS {
// DNS name that's being looked up: e.g. "isovalent.com."
string query = 1;
// List of IP addresses in the DNS response.
repeated string ips = 2;
// TTL in the DNS response.
uint32 ttl = 3;
// List of CNames in the DNS response.
repeated string cnames = 4;
// Corresponds to DNSDataSource defined in:
// https://github.com/cilium/cilium/blob/04f3889d627774f79e56d14ddbc165b3169e2d01/pkg/proxy/accesslog/record.go#L253
string observation_source = 5;
// Return code of the DNS request defined in:
// https://www.iana.org/assignments/dns-parameters/dns-parameters.xhtml#dns-parameters-6
uint32 rcode = 6;
// String representation of qtypes defined in:
// https://tools.ietf.org/html/rfc1035#section-3.2.3
repeated string qtypes = 7;
// String representation of rrtypes defined in:
// https://www.iana.org/assignments/dns-parameters/dns-parameters.xhtml#dns-parameters-4
repeated string rrtypes = 8;
}
message HTTPHeader {
string key = 1;
string value = 2;
}
// L7 information for HTTP flows. It corresponds to Cilium's accesslog.LogRecordHTTP type.
// https://github.com/cilium/cilium/blob/728c79e427438ab6f8d9375b62fccd6fed4ace3a/pkg/proxy/accesslog/record.go#L206
message HTTP {
uint32 code = 1;
string method = 2;
string url = 3;
string protocol = 4;
repeated HTTPHeader headers = 5;
}
// L7 information for Kafka flows. It corresponds to Cilium's accesslog.LogRecordKafka type.
// https://github.com/cilium/cilium/blob/728c79e427438ab6f8d9375b62fccd6fed4ace3a/pkg/proxy/accesslog/record.go#L229
message Kafka {
int32 error_code = 1;
int32 api_version = 2;
string api_key = 3;
int32 correlation_id = 4;
string topic = 5;
}
message Service {
string name = 1;
string namespace = 2;
}
enum LostEventSource {
UNKNOWN_LOST_EVENT_SOURCE = 0;
// PERF_EVENT_RING_BUFFER indicates that events were dropped in the BPF
// perf event ring buffer, indicating that userspace agent did not keep up
// with the events produced by the datapath.
PERF_EVENT_RING_BUFFER = 1;
// OBSERVER_EVENTS_QUEUE indicates that events were dropped because the
// Hubble events queue was full, indicating that the Hubble observer did
// not keep up.
OBSERVER_EVENTS_QUEUE = 2;
// HUBBLE_RING_BUFFER indicates that the event was dropped because it could
// not be read from Hubble's ring buffer in time before being overwritten.
HUBBLE_RING_BUFFER = 3;
}
// LostEvent is a message which notifies consumers about a loss of events
// that happened before the events were captured by Hubble.
message LostEvent {
// source is the location where events got lost.
LostEventSource source = 1;
// num_events_lost is the number of events that haven been lost at source.
uint64 num_events_lost = 2;
// cpu on which the event was lost if the source of lost events is
// PERF_EVENT_RING_BUFFER.
google.protobuf.Int32Value cpu = 3;
}
// AgentEventType is the type of agent event. These values are shared with type
// AgentNotification in pkg/monitor/api/types.go
enum AgentEventType {
AGENT_EVENT_UNKNOWN = 0;
// used for AGENT_EVENT_GENERIC in monitor API, but there are currently no
// such events;
reserved 1;
AGENT_STARTED = 2;
POLICY_UPDATED = 3;
POLICY_DELETED = 4;
ENDPOINT_REGENERATE_SUCCESS = 5;
ENDPOINT_REGENERATE_FAILURE = 6;
ENDPOINT_CREATED = 7;
ENDPOINT_DELETED = 8;
IPCACHE_UPSERTED = 9;
IPCACHE_DELETED = 10;
SERVICE_UPSERTED = 11;
SERVICE_DELETED = 12;
}
message AgentEvent {
AgentEventType type = 1;
oneof notification {
AgentEventUnknown unknown = 100;
TimeNotification agent_start = 101;
// used for POLICY_UPDATED and POLICY_DELETED
PolicyUpdateNotification policy_update = 102;
// used for ENDPOINT_REGENERATE_SUCCESS and ENDPOINT_REGENERATE_FAILURE
EndpointRegenNotification endpoint_regenerate = 103;
// used for ENDPOINT_CREATED and ENDPOINT_DELETED
EndpointUpdateNotification endpoint_update = 104;
// used for IPCACHE_UPSERTED and IPCACHE_DELETED
IPCacheNotification ipcache_update = 105;
ServiceUpsertNotification service_upsert = 106;
ServiceDeleteNotification service_delete = 107;
}
}
message AgentEventUnknown {
string type = 1;
string notification = 2;
}
message TimeNotification {
google.protobuf.Timestamp time = 1;
}
message PolicyUpdateNotification {
repeated string labels = 1;
uint64 revision = 2;
int64 rule_count = 3;
}
message EndpointRegenNotification {
uint64 id = 1;
repeated string labels = 2;
string error = 3;
}
message EndpointUpdateNotification {
uint64 id = 1;
repeated string labels = 2;
string error = 3;
string pod_name = 4;
string namespace = 5;
}
message IPCacheNotification {
string cidr = 1;
uint32 identity = 2;
google.protobuf.UInt32Value old_identity = 3;
string host_ip = 4;
string old_host_ip = 5;
uint32 encrypt_key = 6;
string namespace = 7;
string pod_name = 8;
}
message ServiceUpsertNotificationAddr {
string ip = 1;
uint32 port = 2;
}
message ServiceUpsertNotification {
uint32 id = 1;
ServiceUpsertNotificationAddr frontend_address = 2;
repeated ServiceUpsertNotificationAddr backend_addresses = 3;
string type = 4;
string traffic_policy = 5;
string name = 6;
string namespace = 7;
}
message ServiceDeleteNotification {
uint32 id = 1;
}
message NetworkInterface {
uint32 index = 1;
string name = 2;
}
message DebugEvent {
DebugEventType type = 1;
Endpoint source = 2;
google.protobuf.UInt32Value hash = 3;
google.protobuf.UInt32Value arg1 = 4;
google.protobuf.UInt32Value arg2 = 5;
google.protobuf.UInt32Value arg3 = 6;
string message = 7;
google.protobuf.Int32Value cpu = 8;
}
// These values are shared with pkg/monitor/api/datapath_debug.go and bpf/lib/dbg.h.
enum DebugEventType {
DBG_EVENT_UNKNOWN = 0;
DBG_GENERIC = 1;
DBG_LOCAL_DELIVERY = 2;
DBG_ENCAP = 3;
DBG_LXC_FOUND = 4;
DBG_POLICY_DENIED = 5;
DBG_CT_LOOKUP = 6;
DBG_CT_LOOKUP_REV = 7;
DBG_CT_MATCH = 8;
DBG_CT_CREATED = 9;
DBG_CT_CREATED2 = 10;
DBG_ICMP6_HANDLE = 11;
DBG_ICMP6_REQUEST = 12;
DBG_ICMP6_NS = 13;
DBG_ICMP6_TIME_EXCEEDED = 14;
DBG_CT_VERDICT = 15;
DBG_DECAP = 16;
DBG_PORT_MAP = 17;
DBG_ERROR_RET = 18;
DBG_TO_HOST = 19;
DBG_TO_STACK = 20;
DBG_PKT_HASH = 21;
DBG_LB6_LOOKUP_FRONTEND = 22;
DBG_LB6_LOOKUP_FRONTEND_FAIL = 23;
DBG_LB6_LOOKUP_BACKEND_SLOT = 24;
DBG_LB6_LOOKUP_BACKEND_SLOT_SUCCESS = 25;
DBG_LB6_LOOKUP_BACKEND_SLOT_V2_FAIL = 26;
DBG_LB6_LOOKUP_BACKEND_FAIL = 27;
DBG_LB6_REVERSE_NAT_LOOKUP = 28;
DBG_LB6_REVERSE_NAT = 29;
DBG_LB4_LOOKUP_FRONTEND = 30;
DBG_LB4_LOOKUP_FRONTEND_FAIL = 31;
DBG_LB4_LOOKUP_BACKEND_SLOT = 32;
DBG_LB4_LOOKUP_BACKEND_SLOT_SUCCESS = 33;
DBG_LB4_LOOKUP_BACKEND_SLOT_V2_FAIL = 34;
DBG_LB4_LOOKUP_BACKEND_FAIL = 35;
DBG_LB4_REVERSE_NAT_LOOKUP = 36;
DBG_LB4_REVERSE_NAT = 37;
DBG_LB4_LOOPBACK_SNAT = 38;
DBG_LB4_LOOPBACK_SNAT_REV = 39;
DBG_CT_LOOKUP4 = 40;
DBG_RR_BACKEND_SLOT_SEL = 41;
DBG_REV_PROXY_LOOKUP = 42;
DBG_REV_PROXY_FOUND = 43;
DBG_REV_PROXY_UPDATE = 44;
DBG_L4_POLICY = 45;
DBG_NETDEV_IN_CLUSTER = 46;
DBG_NETDEV_ENCAP4 = 47;
DBG_CT_LOOKUP4_1 = 48;
DBG_CT_LOOKUP4_2 = 49;
DBG_CT_CREATED4 = 50;
DBG_CT_LOOKUP6_1 = 51;
DBG_CT_LOOKUP6_2 = 52;
DBG_CT_CREATED6 = 53;
DBG_SKIP_PROXY = 54;
DBG_L4_CREATE = 55;
DBG_IP_ID_MAP_FAILED4 = 56;
DBG_IP_ID_MAP_FAILED6 = 57;
DBG_IP_ID_MAP_SUCCEED4 = 58;
DBG_IP_ID_MAP_SUCCEED6 = 59;
DBG_LB_STALE_CT = 60;
DBG_INHERIT_IDENTITY = 61;
DBG_SK_LOOKUP4 = 62;
DBG_SK_LOOKUP6 = 63;
DBG_SK_ASSIGN = 64;
}