zdtm: fix network lock tests when run with --norst

In test/jenkins/{crit.sh,criu-dump}, ZDTM is run with --norst,
Causing tests to only go through dump wihtout restoring.

The network locking tests are highly dependant on dump/restore hooks
causing them to hang when run with --norst.

We just add a reqrst flag to all network lock tests.

Signed-off-by: Zeyad Yasser <zeyady98@gmail.com>

test/zdtm/static/net_lock_socket_iptables.desc

@@ -1,6 +1,6 @@
 {
     'flavor': 'h',
-    'flags': 'suid excl',
+    'flags': 'suid excl reqrst',
     'dopts': '--tcp-established --network-lock iptables',
     'ropts': '--tcp-established',
 }

test/zdtm/static/net_lock_socket_iptables6.desc

@@ -1,6 +1,6 @@
 {
     'flavor': 'h',
-    'flags': 'suid excl',
+    'flags': 'suid excl reqrst',
     'dopts': '--tcp-established --network-lock iptables',
     'ropts': '--tcp-established',
 }

test/zdtm/static/net_lock_socket_nftables.desc

@@ -1,6 +1,6 @@
 {
     'flavor': 'h',
-    'flags': 'suid excl',
+    'flags': 'suid excl reqrst',
     'feature': 'network_lock_nftables',
     'dopts': '--tcp-established --network-lock nftables',
     'ropts': '--tcp-established',

test/zdtm/static/net_lock_socket_nftables6.desc

@@ -1,6 +1,6 @@
 {
     'flavor': 'h',
-    'flags': 'suid excl',
+    'flags': 'suid excl reqrst',
     'feature': 'network_lock_nftables',
     'dopts': '--tcp-established --network-lock nftables',
     'ropts': '--tcp-established',

test/zdtm/static/netns_lock_iptables.desc

@@ -1,6 +1,6 @@
 {
     'flavor': 'h',
-    'flags': 'suid excl',
+    'flags': 'suid excl reqrst',
     'opts': '--tcp-established',
     'dopts': '--network-lock iptables',
     'ropts': '--join-ns net:/var/run/netns/criu-net-lock-test'

test/zdtm/static/netns_lock_nftables.desc

@@ -1,6 +1,6 @@
 {
     'flavor': 'h',
-    'flags': 'suid excl',
+    'flags': 'suid excl reqrst',
     'feature': 'network_lock_nftables',
     'opts': '--tcp-established',
     'dopts': '--network-lock nftables',