tests: fixed "MAC binding aging" and "IGMP external querier"

Signed-off-by: Xavier Simonart <xsimonar@redhat.com>
Acked-by: Ales Musil <amusil@redhat.com>
Signed-off-by: Dumitru Ceara <dceara@redhat.com>

tests/ovn.at

@@ -23650,6 +23650,10 @@ check ovs-vsctl -- add-port br-int hv2-vif2 -- \
 wait_for_ports_up
 check ovn-nbctl --wait=hv sync
 
+# Wait for pinctrl thread to be connected
+OVS_WAIT_UNTIL([grep pinctrl hv1/ovn-controller.log | grep -c connected])
+OVS_WAIT_UNTIL([grep pinctrl hv2/ovn-controller.log | grep -c connected])
+
 AT_CAPTURE_FILE([exp])
 AT_CAPTURE_FILE([rcv])
 check_packets() {
@@ -34512,6 +34516,10 @@ OVN_POPULATE_ARP
 wait_for_ports_up
 AT_CHECK([ovn-nbctl --wait=hv sync])
 
+# Wait for pinctrl thread to be connected
+OVS_WAIT_UNTIL([grep pinctrl hv1/ovn-controller.log | grep -c connected])
+OVS_WAIT_UNTIL([grep pinctrl hv2/ovn-controller.log | grep -c connected])
+
 send_garp() {
     hv=$1
     dev=$2