redirect all warnings to fwarning function and control the output with --quiet

1 files changed, 1 insertions, 1 deletions

diff --git a/src/firejail/network.c b/src/firejail/network.c
index 673c607ca..44fc4f68f 100644
--- a/src/firejail/network.c
+++ b/src/firejail/network.c
@@ -75,7 +75,7 @@ void net_set_mtu(const char *ifname, int mtu) {
         strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
         ifr.ifr_mtu = mtu;
         if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) != 0)
-                fprintf(stderr, "Warning: cannot set mtu for interface %s\n", ifname);
+                fwarning("cannot set mtu for interface %s\n", ifname);
         close(s);
 }