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-rw-r--r--src/nspawn/nspawn.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c
index ddf1c371a0..b118c739e8 100644
--- a/src/nspawn/nspawn.c
+++ b/src/nspawn/nspawn.c
@@ -1659,11 +1659,8 @@ static int setup_veth(pid_t pid, char iface_name[IFNAMSIZ], int *ifi) {
/* Use two different interface name prefixes depending whether
* we are in bridge mode or not. */
- if (arg_network_bridge)
- memcpy(iface_name, "vb-", 3);
- else
- memcpy(iface_name, "ve-", 3);
- strncpy(iface_name+3, arg_machine, IFNAMSIZ - 3);
+ snprintf(iface_name, IFNAMSIZ, "%s-%s",
+ arg_network_bridge ? "vb" : "ve", arg_machine);
r = get_mac(&mac);
if (r < 0) {