qfx10k configured in crb_access role will fail if interface is channelized ( has :)

[vimal]

qfx10k configured in crb_access role will fail if interface is channelized ( has :)

Topology/Build
------------------
Issue is seen on configuring bms/fabric with contrail command UI.Topolgy has qfx10 in crb-access and crb-gateway role. BMS server is attached to interface xe-0/0/34:1

build: ocata-master-375

Error seen in netconf logs
------------------------------

On configuring bms instance on port xe-0/0/34:1 , below errors are seen . If interface doesnt not have ':' no errors are seen.

set groups __contrail_overlay_evpn__
set apply-groups __contrail_overlay_evpn__
delete apply-groups __contrail_overlay_evpn_access__
delete groups __contrail_overlay_evpn_access__

set groups __contrail_overlay_evpn_access__ interfaces xe-0/0/34_1 mtu 9192
set groups __contrail_overlay_evpn_access__ interfaces xe-0/0/34_1 flexible-vlan-tagging
set groups __contrail_overlay_evpn_access__ interfaces xe-0/0/34_1 encapsulation extended-vlan-bridge
set groups __contrail_overlay_evpn_access__ interfaces xe-0/0/34_1 unit 400 vlan-id 400

set groups __contrail_overlay_evpn_access__ vlans bd-400 vlan-id 400
set groups __contrail_overlay_evpn_access__ vlans bd-400 interface xe-0/0/34_1.400
set groups __contrail_overlay_evpn_access__ vlans bd-400 vxlan vni 400
set groups __contrail_overlay_evpn_access__ vlans bd-400 vlan-id 400
set groups __contrail_overlay_evpn_access__ vlans bd-400 interface xe-0/0/34_1.400
set groups __contrail_overlay_evpn_access__ vlans bd-400 vxlan vni 400

set groups __contrail_overlay_evpn_access__ protocols evpn multicast-mode ingress-replication
set groups __contrail_overlay_evpn_access__ switch-options vrf-target auto

set groups __contrail_overlay_evpn_access__
set apply-groups __contrail_overlay_evpn_access__
delete apply-groups __contrail_overlay_evpn_gateway__
delete groups __contrail_overlay_evpn_gateway__

set groups __contrail_overlay_evpn_gateway__ interfaces irb gratuitous-arp-reply
set groups __contrail_overlay_evpn_gateway__ interfaces irb unit 10 family inet address 5.1.1.3/24 virtual-gateway-address 5.1.1.1
set groups __contrail_overlay_evpn_gateway__ interfaces irb unit 10 proxy-macip-advertisement
set groups __contrail_overlay_evpn_gateway__ interfaces irb unit 10 virtual-gateway-accept-data

set groups __contrail_overlay_evpn_gateway__ vlans bd-400 l3-interface irb.10
set groups __contrail_overlay_evpn_gateway__ vlans bd-400 vlan-id 400
set groups __contrail_overlay_evpn_gateway__ vlans bd-400 vxlan vni 400

set groups __contrail_overlay_evpn_gateway__
set apply-groups __contrail_overlay_evpn_gateway__
delete apply-groups __contrail_overlay_evpn_type5__
delete groups __contrail_overlay_evpn_type5__

set groups __contrail_overlay_evpn_type5__
set apply-groups __contrail_overlay_evpn_type5__
delete apply-groups __contrail_overlay_lag__
delete groups __contrail_overlay_lag__

set groups __contrail_overlay_lag__
set apply-groups __contrail_overlay_lag__
delete apply-groups __contrail_overlay_multi_homing__
delete groups __contrail_overlay_multi_homing__

set groups __contrail_overlay_multi_homing__
set apply-groups __contrail_overlay_multi_homing__
delete apply-groups __contrail_overlay_security_group__
delete groups __contrail_overlay_security_group__

set groups __contrail_overlay_security_group__
set apply-groups __contrail_overlay_security_group__
</configuration-set></load-configuration></nc:rpc>]]>]]>
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: <rpc-reply xmlns="urn:ietf:params:xml:ns:netconf:base:1.0" xmlns:junos="http://xml.juniper.net/junos/18.4D0/junos" xmlns:nc="urn:ietf:params:xml:ns:netconf:base:1.0" message-id="urn:uuid:beeb8cc5-1239-4c4b-9632-2544762d5067">
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: <load-configuration-results>
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: <rpc-error>
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: <error-severity>warning</error-severity>
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: <error-path>[edit]</error-path>
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: <error-message>statement not found: apply-groups __contrail__</error-message>
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: </rpc-error>
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: <rpc-error>
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: <error-severity>warning</error-severity>
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: <error-message>
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: statement not found
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: </error-message>
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: </rpc-error>
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: <rpc-error>
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: <error-type>protocol</error-type>
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: <error-tag>operation-failed</error-tag>
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: <error-severity>error</error-severity>
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: <error-message>invalid trailing input '_1' for 'xe-0/0/34_1'</error-message>
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: <error-info>
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: <bad-element>xe-0/0/34_1</bad-element>
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: </error-info>
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: </rpc-error>
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: <rpc-error>
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: <error-type>protocol</error-type>
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: <error-tag>operation-failed</error-tag>
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: <error-severity>error</error-severity>
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: <error-message>invalid trailing input '_1' for 'xe-0/0/34_1'</error-message> <<<<<<< ISSUE is here
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: <error-info>
Nov 13 14:35:18 [NETCONF] - [85525] Outgoing: <bad-element>xe-