diff --git a/tests/sys/netinet/carp.py b/tests/sys/netinet/carp.py
--- a/tests/sys/netinet/carp.py
+++ b/tests/sys/netinet/carp.py
@@ -39,6 +39,7 @@
             if p.src != "00:00:5e:00:01:01":
                 raise
 
+    @pytest.mark.require_progs(["scapy"])
     def test_source_mac(self):
         "Test carp packets source address"
 
@@ -52,6 +53,7 @@
 
         self.check_carp_src_mac(carp_pkts)
 
+    @pytest.mark.require_progs(["scapy"])
     def test_source_mac_vrrp(self):
         "Test VRRP packets source address"
 
diff --git a/tests/sys/netinet/igmp.py b/tests/sys/netinet/igmp.py
--- a/tests/sys/netinet/igmp.py
+++ b/tests/sys/netinet/igmp.py
@@ -80,6 +80,7 @@
             sp = _sp
         super().setup_method(method)
 
+    @pytest.mark.require_progs(["scapy"])
     def test_igmp3_join_leave(self):
         "Test that we send the expected join/leave IGMPv2 messages"
 
diff --git a/tests/sys/netpfil/pf/frag6.py b/tests/sys/netpfil/pf/frag6.py
--- a/tests/sys/netpfil/pf/frag6.py
+++ b/tests/sys/netpfil/pf/frag6.py
@@ -43,6 +43,7 @@
         return False
 
     @pytest.mark.require_user("root")
+    @pytest.mark.require_progs(["scapy"])
     def test_dup_frag_hdr(self):
         "Test packets with duplicate fragment headers"
         srv_vnet = self.vnet_map["vnet2"]
@@ -64,6 +65,7 @@
             assert not p.getlayer(sp.ICMPv6EchoReply)
 
     @pytest.mark.require_user("root")
+    @pytest.mark.require_progs(["scapy"])
     def test_overlong(self):
         "Test overly long fragmented packet"
 
@@ -112,6 +114,7 @@
         ])
 
     @pytest.mark.require_user("root")
+    @pytest.mark.require_progs(["scapy"])
     def test_overlap(self):
         "Ensure we discard packets with overlapping fragments"
 
diff --git a/tests/sys/netpfil/pf/icmp.py b/tests/sys/netpfil/pf/icmp.py
--- a/tests/sys/netpfil/pf/icmp.py
+++ b/tests/sys/netpfil/pf/icmp.py
@@ -86,6 +86,7 @@
         vnet.pipe.send("Got ICMP destination unreachable packet")
 
     @pytest.mark.require_user("root")
+    @pytest.mark.require_progs(["scapy"])
     def test_inner_match(self):
         vnet = self.vnet_map["vnet1"]
         dst_vnet = self.vnet_map["vnet3"]
@@ -160,6 +161,7 @@
         return
 
     @pytest.mark.require_user("root")
+    @pytest.mark.require_progs(["scapy"])
     def test_fragmentation_needed(self):
         ToolsHelper.print_output("/sbin/route add default 192.0.2.1")
 
diff --git a/tests/sys/netpfil/pf/nat64.py b/tests/sys/netpfil/pf/nat64.py
--- a/tests/sys/netpfil/pf/nat64.py
+++ b/tests/sys/netpfil/pf/nat64.py
@@ -93,6 +93,7 @@
             "pass in on %s inet6 af-to inet from 192.0.2.1" % ifname])
 
     @pytest.mark.require_user("root")
+    @pytest.mark.require_progs(["scapy"])
     def test_tcp_rst(self):
         ToolsHelper.print_output("/sbin/route -6 add default 2001:db8::1")
 
@@ -126,6 +127,7 @@
         assert "A" in tcp.flags
 
     @pytest.mark.require_user("root")
+    @pytest.mark.require_progs(["scapy"])
     def test_udp_port_closed(self):
         ToolsHelper.print_output("/sbin/route -6 add default 2001:db8::1")
 
@@ -147,6 +149,7 @@
         assert udp.dport == 1222
 
     @pytest.mark.require_user("root")
+    @pytest.mark.require_progs(["scapy"])
     def test_address_unreachable(self):
         ToolsHelper.print_output("/sbin/route -6 add default 2001:db8::1")
 
@@ -172,6 +175,7 @@
         assert ip6.hlim == 62
 
     @pytest.mark.require_user("root")
+    @pytest.mark.require_progs(["scapy"])
     def test_udp_checksum(self):
         ToolsHelper.print_output("/sbin/route -6 add default 2001:db8::1")
 
diff --git a/tests/sys/netpfil/pf/nat66.py b/tests/sys/netpfil/pf/nat66.py
--- a/tests/sys/netpfil/pf/nat66.py
+++ b/tests/sys/netpfil/pf/nat66.py
@@ -140,6 +140,7 @@
         assert found
 
     @pytest.mark.require_user("root")
+    @pytest.mark.require_progs(["scapy"])
     def test_npt_icmp(self):
         cl_vnet = self.vnet_map["vnet1"]
         ifname = cl_vnet.iface_alias_map["if1"].name
@@ -168,6 +169,7 @@
         self.check_icmp_too_big(sp, 12000, 5000)
 
     @pytest.mark.require_user("root")
+    @pytest.mark.require_progs(["scapy"])
     def test_npt_route_to_icmp(self):
         cl_vnet = self.vnet_map["vnet1"]
         ifname = cl_vnet.iface_alias_map["if1"].name