diff --git a/hw/e1000.c b/hw/e1000.c
index 03c573bf1e..5b0b7314d0 100644
--- a/hw/e1000.c
+++ b/hw/e1000.c
@@ -1074,10 +1074,7 @@ pci_e1000_init(PCIBus *bus, NICInfo *nd, int devfn)
     d->vc = qemu_new_vlan_client(nd->vlan, nd->model,
                                  e1000_receive, e1000_can_receive, d);
 
-    snprintf(d->vc->info_str, sizeof(d->vc->info_str),
-             "%s macaddr=%02x:%02x:%02x:%02x:%02x:%02x", info_str,
-             d->nd->macaddr[0], d->nd->macaddr[1], d->nd->macaddr[2],
-             d->nd->macaddr[3], d->nd->macaddr[4], d->nd->macaddr[5]);
+    qemu_format_nic_info_str(d->vc, d->nd->macaddr);
 
     register_savevm(info_str, -1, 2, nic_save, nic_load, d);
 }
diff --git a/hw/eepro100.c b/hw/eepro100.c
index a7861ca7c4..86a4e6e511 100644
--- a/hw/eepro100.c
+++ b/hw/eepro100.c
@@ -1779,11 +1779,7 @@ static void nic_init(PCIBus * bus, NICInfo * nd,
     s->vc = qemu_new_vlan_client(nd->vlan, nd->model,
                                  nic_receive, nic_can_receive, s);
 
-    snprintf(s->vc->info_str, sizeof(s->vc->info_str),
-             "eepro100 pci macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
-             s->macaddr[0],
-             s->macaddr[1],
-             s->macaddr[2], s->macaddr[3], s->macaddr[4], s->macaddr[5]);
+    qemu_format_nic_info_str(s->vc, s->macaddr);
 
     qemu_register_reset(nic_reset, s);
 
diff --git a/hw/mipsnet.c b/hw/mipsnet.c
index 549e6f38f1..4b3e8e9347 100644
--- a/hw/mipsnet.c
+++ b/hw/mipsnet.c
@@ -256,14 +256,7 @@ void mipsnet_init (int base, qemu_irq irq, NICInfo *nd)
         s->vc = NULL;
     }
 
-    snprintf(s->vc->info_str, sizeof(s->vc->info_str),
-             "mipsnet macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
-              s->nd->macaddr[0],
-              s->nd->macaddr[1],
-              s->nd->macaddr[2],
-              s->nd->macaddr[3],
-              s->nd->macaddr[4],
-              s->nd->macaddr[5]);
+    qemu_format_nic_info_str(s->vc, s->nd->macaddr);
 
     mipsnet_reset(s);
     register_savevm("mipsnet", 0, 0, mipsnet_save, mipsnet_load, s);
diff --git a/hw/ne2000.c b/hw/ne2000.c
index dc9798902e..ad97bc5f60 100644
--- a/hw/ne2000.c
+++ b/hw/ne2000.c
@@ -744,14 +744,7 @@ void isa_ne2000_init(int base, qemu_irq irq, NICInfo *nd)
     s->vc = qemu_new_vlan_client(nd->vlan, nd->model,
                                  ne2000_receive, ne2000_can_receive, s);
 
-    snprintf(s->vc->info_str, sizeof(s->vc->info_str),
-             "ne2000 macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
-             s->macaddr[0],
-             s->macaddr[1],
-             s->macaddr[2],
-             s->macaddr[3],
-             s->macaddr[4],
-             s->macaddr[5]);
+    qemu_format_nic_info_str(s->vc, s->macaddr);
 
     register_savevm("ne2000", -1, 2, ne2000_save, ne2000_load, s);
 }
@@ -814,14 +807,7 @@ void pci_ne2000_init(PCIBus *bus, NICInfo *nd, int devfn)
     s->vc = qemu_new_vlan_client(nd->vlan, nd->model,
                                  ne2000_receive, ne2000_can_receive, s);
 
-    snprintf(s->vc->info_str, sizeof(s->vc->info_str),
-             "ne2000 pci macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
-             s->macaddr[0],
-             s->macaddr[1],
-             s->macaddr[2],
-             s->macaddr[3],
-             s->macaddr[4],
-             s->macaddr[5]);
+    qemu_format_nic_info_str(s->vc, s->macaddr);
 
     register_savevm("ne2000", -1, 3, ne2000_save, ne2000_load, s);
 }
diff --git a/hw/pcnet.c b/hw/pcnet.c
index e961a06db2..5b45956299 100644
--- a/hw/pcnet.c
+++ b/hw/pcnet.c
@@ -1939,14 +1939,7 @@ static void pcnet_common_init(PCNetState *d, NICInfo *nd, const char *info_str)
         d->vc = qemu_new_vlan_client(nd->vlan, nd->model,
                                      pcnet_receive, pcnet_can_receive, d);
 
-        snprintf(d->vc->info_str, sizeof(d->vc->info_str),
-                 "pcnet macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
-                 d->nd->macaddr[0],
-                 d->nd->macaddr[1],
-                 d->nd->macaddr[2],
-                 d->nd->macaddr[3],
-                 d->nd->macaddr[4],
-                 d->nd->macaddr[5]);
+        qemu_format_nic_info_str(d->vc, d->nd->macaddr);
     } else {
         d->vc = NULL;
     }
diff --git a/hw/rtl8139.c b/hw/rtl8139.c
index 39f32094ec..d51722054e 100644
--- a/hw/rtl8139.c
+++ b/hw/rtl8139.c
@@ -3441,14 +3441,7 @@ void pci_rtl8139_init(PCIBus *bus, NICInfo *nd, int devfn)
     s->vc = qemu_new_vlan_client(nd->vlan, nd->model,
                                  rtl8139_receive, rtl8139_can_receive, s);
 
-    snprintf(s->vc->info_str, sizeof(s->vc->info_str),
-             "rtl8139 pci macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
-             s->macaddr[0],
-             s->macaddr[1],
-             s->macaddr[2],
-             s->macaddr[3],
-             s->macaddr[4],
-             s->macaddr[5]);
+    qemu_format_nic_info_str(s->vc, s->macaddr);
 
     s->cplus_txbuffer = NULL;
     s->cplus_txbuffer_len = 0;
diff --git a/hw/usb-net.c b/hw/usb-net.c
index 40ee41b693..5539336dc8 100644
--- a/hw/usb-net.c
+++ b/hw/usb-net.c
@@ -1456,14 +1456,12 @@ USBDevice *usb_net_init(NICInfo *nd)
     s->vc = qemu_new_vlan_client(nd->vlan, nd->model,
                     usbnet_receive, usbnet_can_receive, s);
 
+    qemu_format_nic_info_str(s->vc, s->mac);
+
     snprintf(s->usbstring_mac, sizeof(s->usbstring_mac),
                     "%02x%02x%02x%02x%02x%02x",
                     0x40, s->mac[1], s->mac[2],
                     s->mac[3], s->mac[4], s->mac[5]);
-    snprintf(s->vc->info_str, sizeof(s->vc->info_str),
-                    "usbnet macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
-                    s->mac[0], s->mac[1], s->mac[2],
-                    s->mac[3], s->mac[4], s->mac[5]);
     fprintf(stderr, "usbnet: initialized mac %02x:%02x:%02x:%02x:%02x:%02x\n",
                     s->mac[0], s->mac[1], s->mac[2],
                     s->mac[3], s->mac[4], s->mac[5]);
diff --git a/net.c b/net.c
index c268233ad3..e29379050f 100644
--- a/net.c
+++ b/net.c
@@ -296,6 +296,14 @@ static int parse_unix_path(struct sockaddr_un *uaddr, const char *str)
 }
 #endif
 
+void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6])
+{
+    snprintf(vc->info_str, sizeof(vc->info_str),
+             "macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
+             macaddr[0], macaddr[1], macaddr[2],
+             macaddr[3], macaddr[4], macaddr[5]);
+}
+
 static char *assign_name(VLANClientState *vc1, const char *model)
 {
     VLANState *vlan;
@@ -474,7 +482,7 @@ static int net_slirp_init(VLANState *vlan, const char *model)
     }
     slirp_vc = qemu_new_vlan_client(vlan, model,
                                     slirp_receive, NULL, NULL);
-    snprintf(slirp_vc->info_str, sizeof(slirp_vc->info_str), "user redirector");
+    slirp_vc->info_str[0] = '\0';
     return 0;
 }
 
@@ -699,7 +707,7 @@ static TAPState *net_tap_fd_init(VLANState *vlan, const char *model, int fd)
     s->vc->fd_readv = tap_receive_iov;
 #endif
     qemu_set_fd_handler(s->fd, tap_send, NULL, s);
-    snprintf(s->vc->info_str, sizeof(s->vc->info_str), "tap: fd=%d", fd);
+    snprintf(s->vc->info_str, sizeof(s->vc->info_str), "fd=%d", fd);
     return s;
 }
 
@@ -954,7 +962,8 @@ static int net_tap_init(VLANState *vlan, const char *model, const char *ifname1,
     if (!s)
         return -1;
     snprintf(s->vc->info_str, sizeof(s->vc->info_str),
-             "tap: ifname=%s setup_script=%s", ifname, setup_script);
+             "ifname=%s,script=%s,downscript=%s",
+             ifname, setup_script, down_script);
     if (down_script && strcmp(down_script, "no"))
         snprintf(s->down_script, sizeof(s->down_script), "%s", down_script);
     return 0;
@@ -1016,7 +1025,7 @@ static int net_vde_init(VLANState *vlan, const char *model, const char *sock,
     }
     s->vc = qemu_new_vlan_client(vlan, model, vde_from_qemu, NULL, s);
     qemu_set_fd_handler(vde_datafd(s->vde), vde_to_qemu, NULL, s);
-    snprintf(s->vc->info_str, sizeof(s->vc->info_str), "vde: sock=%s fd=%d",
+    snprintf(s->vc->info_str, sizeof(s->vc->info_str), "sock=%s,fd=%d",
              sock, vde_datafd(s->vde));
     return 0;
 }
@@ -1639,7 +1648,7 @@ void do_info_network(void)
     for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
         term_printf("VLAN %d devices:\n", vlan->id);
         for(vc = vlan->first_client; vc != NULL; vc = vc->next)
-            term_printf("  %s\n", vc->info_str);
+            term_printf("  %s: %s\n", vc->name, vc->info_str);
     }
 }
 
@@ -1657,7 +1666,8 @@ void net_cleanup(void)
                 char ifname[64];
                 TAPState *s = vc->opaque;
 
-                if (sscanf(vc->info_str, "tap: ifname=%63s ", ifname) == 1 &&
+                if (strcmp(vc->model, "tap") == 0 &&
+                    sscanf(vc->info_str, "ifname=%63s ", ifname) == 1 &&
                     s->down_script[0])
                     launch_script(s->down_script, ifname, s->fd);
             }
diff --git a/net.h b/net.h
index 078dd18dd6..904519a354 100644
--- a/net.h
+++ b/net.h
@@ -41,6 +41,7 @@ int qemu_can_send_packet(VLANClientState *vc);
 ssize_t qemu_sendv_packet(VLANClientState *vc, const struct iovec *iov,
                           int iovcnt);
 void qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size);
+void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6]);
 void qemu_handler_true(void *opaque);
 
 void do_info_network(void);