diff --git a/reg-tests/checks/1be_40srv_odd_health_checks.vtc b/reg-tests/checks/1be_40srv_odd_health_checks.vtc
index b37e86836..a2a659b65 100644
--- a/reg-tests/checks/1be_40srv_odd_health_checks.vtc
+++ b/reg-tests/checks/1be_40srv_odd_health_checks.vtc
@@ -13,7 +13,7 @@ feature ignore_unknown_macro
 # Note that the first syslog message received is: "Proxy <name> started."
 syslog S -repeat 21 -level notice {
     recv
-    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: (Health check for server be1/srv([13579]|[123][13579]) succeeded, reason: Layer4 check passed, check duration: [[:digit:]]+ms, status: 1/1 UP|Proxy be1 started.)"
+    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: (Health check for server be1/srv([13579]|[123][13579]) succeeded.+reason: Layer4 check passed.+check duration: [[:digit:]]+ms.+status: 1/1 UP|Proxy be1 started.)"
 } -start
 
 server s0 {} -start
@@ -62,7 +62,7 @@ haproxy h1 -conf {
         timeout client 1s
         timeout server 1s
         timeout connect 1s
-        default-server no-check downinter 1s rise 1 fall 1
+        default-server no-check inter 200ms downinter 100ms rise 1 fall 1
 
     backend be1
         option log-health-checks
diff --git a/reg-tests/checks/4be_1srv_health_checks.vtc b/reg-tests/checks/4be_1srv_health_checks.vtc
index 348fcbfec..ec72d9089 100644
--- a/reg-tests/checks/4be_1srv_health_checks.vtc
+++ b/reg-tests/checks/4be_1srv_health_checks.vtc
@@ -39,7 +39,7 @@ syslog S1 -level notice {
     recv
     expect ~ "Proxy be1 started"
     recv
-    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be1/srv1 succeeded, reason: Layer4 check passed, check duration: [[:digit:]]+ms, status: 1/1 UP"
+    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be1/srv1 succeeded.+reason: Layer4 check passed.+check duration: [[:digit:]]+ms.+status: 1/1 UP"
     barrier b1 sync
     recv alert
     expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Server be1/srv1 is going DOWN for maintenance. 0 active and 0 backup servers left. [01] sessions active, 0 requeued, 0 remaining in queue."
@@ -47,7 +47,7 @@ syslog S1 -level notice {
     expect ~ "[^:\\[ ]\\[${h1_pid}\\]: backend be1 has no server available!"
     barrier b1 sync
     recv
-    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: (Server be1/srv1 is UP/READY \\(leaving forced maintenance\\).|Health check for server be1/srv1 succeeded, reason: Layer4 check passed, check duration: [[:digit:]]+ms, status: 1/1 UP)"
+    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: (Server be1/srv1 is UP/READY \\(leaving forced maintenance\\).|Health check for server be1/srv1 succeeded.+reason: Layer4 check passed.+check duration: [[:digit:]]+ms.+status: 1/1 UP)"
     barrier b1 sync
 } -start
 
@@ -55,7 +55,7 @@ syslog S2 -level notice {
     recv
     expect ~ "Proxy be2 started"
     recv
-    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be2/srv2 succeeded, reason: Layer4 check passed, check duration: [[:digit:]]+ms, status: 1/1 UP"
+    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be2/srv2 succeeded.+reason: Layer4 check passed.+check duration: [[:digit:]]+ms.+status: 1/1 UP"
     barrier b1 sync
     recv alert
     expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Server be2/srv2 is going DOWN for maintenance. 0 active and 0 backup servers left. [01] sessions active, 0 requeued, 0 remaining in queue."
@@ -63,7 +63,7 @@ syslog S2 -level notice {
     expect ~ "[^:\\[ ]\\[${h1_pid}\\]: backend be2 has no server available!"
     barrier b1 sync
     recv
-    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: (Server be2/srv2 is UP/READY \\(leaving forced maintenance\\).|Health check for server be2/srv2 succeeded, reason: Layer4 check passed, check duration: [[:digit:]]+ms, status: 1/1 UP)"
+    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: (Server be2/srv2 is UP/READY \\(leaving forced maintenance\\).|Health check for server be2/srv2 succeeded.+reason: Layer4 check passed.+check duration: [[:digit:]]+ms.+status: 1/1 UP)"
     barrier b1 sync
 } -start
 
@@ -71,7 +71,7 @@ syslog S3 -level notice {
     recv
     expect ~ "Proxy be3 started"
     recv
-    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be3/srv3 succeeded, reason: Layer4 check passed, check duration: [[:digit:]]+ms, status: 1/1 UP"
+    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be3/srv3 succeeded.+reason: Layer4 check passed.+check duration: [[:digit:]]+ms.+status: 1/1 UP"
     barrier b1 sync
     recv alert
     expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Server be3/srv3 is going DOWN for maintenance. 0 active and 0 backup servers left. [01] sessions active, 0 requeued, 0 remaining in queue."
@@ -79,7 +79,7 @@ syslog S3 -level notice {
     expect ~ "[^:\\[ ]\\[${h1_pid}\\]: backend be3 has no server available!"
     barrier b1 sync
     recv
-    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: (Server be3/srv3 is UP/READY \\(leaving forced maintenance\\).|Health check for server be3/srv3 succeeded, reason: Layer4 check passed, check duration: [[:digit:]]+ms, status: 1/1 UP)"
+    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: (Server be3/srv3 is UP/READY \\(leaving forced maintenance\\).|Health check for server be3/srv3 succeeded.+reason: Layer4 check passed.+check duration: [[:digit:]]+ms.+status: 1/1 UP)"
     barrier b1 sync
 } -start
 
@@ -87,7 +87,7 @@ syslog S4 -level notice {
     recv
     expect ~ "Proxy be4 started"
     recv
-    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be4/srv4 succeeded, reason: Layer4 check passed, check duration: [[:digit:]]+ms, status: 1/1 UP"
+    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be4/srv4 succeeded.+reason: Layer4 check passed.+check duration: [[:digit:]]+ms.+status: 1/1 UP"
     barrier b1 sync
     recv alert
     expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Server be4/srv4 is going DOWN for maintenance. 0 active and 0 backup servers left. [01] sessions active, 0 requeued, 0 remaining in queue."
@@ -95,7 +95,7 @@ syslog S4 -level notice {
     expect ~ "[^:\\[ ]\\[${h1_pid}\\]: backend be4 has no server available!"
     barrier b1 sync
     recv
-    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: (Server be4/srv4 is UP/READY \\(leaving forced maintenance\\).|Health check for server be4/srv4 succeeded, reason: Layer4 check passed, check duration: [[:digit:]]+ms, status: 1/1 UP)"
+    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: (Server be4/srv4 is UP/READY \\(leaving forced maintenance\\).|Health check for server be4/srv4 succeeded.+reason: Layer4 check passed.+check duration: [[:digit:]]+ms.+status: 1/1 UP)"
     barrier b1 sync
 } -start
 
@@ -105,7 +105,7 @@ haproxy h1 -conf {
         timeout client  1s
         timeout server  1s
         timeout connect 1s
-        default-server check downinter 1s rise 1 fall 1
+        default-server check inter 200ms downinter 100s rise 1 fall 1
 
     frontend fe1
         bind "fd@${fe1}"
diff --git a/reg-tests/checks/4be_1srv_smtpchk_httpchk_layer47errors.vtc b/reg-tests/checks/4be_1srv_smtpchk_httpchk_layer47errors.vtc
index e3c959f16..1b8e237e7 100644
--- a/reg-tests/checks/4be_1srv_smtpchk_httpchk_layer47errors.vtc
+++ b/reg-tests/checks/4be_1srv_smtpchk_httpchk_layer47errors.vtc
@@ -10,37 +10,41 @@ syslog S1 -level notice {
     recv
     expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Proxy be1 started"
     recv
-    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be1/srv1 succeeded, reason: Layer7 check passed, code: 248, check duration: [[:digit:]]+ms, status: 1/1 UP."
+    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be1/srv1 succeeded.+reason: Layer7 check passed.+code: 2(20|48).+check duration: [[:digit:]]+ms.+status: 1/1 UP."
     barrier b sync
     recv
-    expect ~ "Health check for server be1/srv1 failed, reason: Layer7 timeout, check duration: [[:digit:]]+ms, status: 0/1 DOWN"
+    expect ~ "Health check for server be1/srv1 failed.+reason: Layer7 timeout.+check duration: [[:digit:]]+ms.+status: 0/1 DOWN"
 } -start
 
 syslog S2 -level notice {
     recv
     expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Proxy be2 started"
     recv
-    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be2/srv2 succeeded, reason: Layer7 check passed, code: 200, info: \"OK\", check duration: [[:digit:]]+ms, status: 1/1 UP."
+    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be2/srv2 succeeded.+reason: Layer7 check passed.+code: 200.+info: \"OK\".+check duration: [[:digit:]]+ms.+status: 1/1 UP."
     barrier b sync
     recv
-    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be2/srv2 failed, reason: Layer7 timeout, check duration: [[:digit:]]+ms, status: 0/1 DOWN"
+    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be2/srv2 failed.+reason: Layer7 timeout.+check duration: [[:digit:]]+ms.+status: 0/1 DOWN"
 } -start
 
 syslog S3 -level notice {
     recv
     expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Proxy be3 started"
     recv
-    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be3/srv3 failed, reason: Layer4 connection problem, info: \"General socket error \\(Network is unreachable\\)\", check duration: [[:digit:]]+ms, status: 0/1 DOWN."
+    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be3/srv3 failed.+reason: Layer4 connection problem.+info: \"General socket error \\(Network is unreachable\\)\".+check duration: [[:digit:]]+ms.+status: 0/1 DOWN."
 } -start
 
 syslog S4 -level notice {
     recv
     expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Proxy be4 started"
     recv
-    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be4/srv4 failed, reason: Layer4 connection problem, info: \"Connection refused\", check duration: [[:digit:]]+ms, status: 0/1 DOWN."
+    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be4/srv4 failed.+reason: Layer4 connection problem.+info: \"Connection refused\".+check duration: [[:digit:]]+ms.+status: 0/1 DOWN."
 } -start
 
 server s1 {
+    send "2"
+    send "2"
+    send "0"
+    send "\r\n\r\n"
     recv 16
     send "2"
     send "4"
@@ -59,7 +63,7 @@ haproxy h1 -conf {
         timeout server 1s
         timeout connect 1s
         option log-health-checks
-        default-server downinter 1s rise 1 fall 1
+        default-server inter 200ms downinter 100ms rise 1 fall 1
 
     backend be1
         option smtpchk