Include unresolved neighbors when comparing APPL_DB and kernel neighb…

…ors (#19164)

Signed-off-by: Lawrence Lee <lawlee@microsoft.com>

Include unresolved neighbors when comparing APPL_DB and kernel neighbors.

files/scripts/arp_update

@@ -178,8 +178,8 @@ while /bin/true; do
  # resolve neighbor entries from CONFIG_DB in case of mismatch with kernel
  DBNEIGH="$DBNEIGH $(sonic-db-cli CONFIG_DB keys NEIGH* | sed -e 's/|/:/g')"
 
- KERNEIGH4=$(ip -4 neigh show | grep Vlan | grep -v 'FAILED\|INCOMPLETE' | cut -d ' ' -f 1,3 --output-delimiter=',')
- KERNEIGH6=$(ip -6 neigh show | grep -v fe80 | grep Vlan | grep -v 'FAILED\|INCOMPLETE' | cut -d ' ' -f 1,3 --output-delimiter=',')
+ KERNEIGH4=$(ip -4 neigh show | grep Vlan | cut -d ' ' -f 1,3 --output-delimiter=',')
+ KERNEIGH6=$(ip -6 neigh show | grep -v fe80 | grep Vlan | cut -d ' ' -f 1,3 --output-delimiter=',')
  for neigh in $DBNEIGH; do
  intf="$( cut -d ':' -f 2 <<< "$neigh" )"
  ip="$( cut -d ':' -f 3- <<< "$neigh" )"