[nrf fromlist] net: ip: Fix the warning in the data path

Instead of warning for every-packet, warn only once and let user debug
the underlying cause.

Fix #49845 partially.

Upstream PR #: 93282

Signed-off-by: Chaitanya Tata <[email protected]>

Author: krish2718

include/zephyr/net/net_core.h

@@ -59,6 +59,7 @@ extern "C" {
 #endif /* CONFIG_THREAD_NAME */
 #define NET_ERR(fmt, ...) LOG_ERR(fmt, ##__VA_ARGS__)
 #define NET_WARN(fmt, ...) LOG_WRN(fmt, ##__VA_ARGS__)
+#define NET_WARN_ONCE(fmt, ...) LOG_WRN_ONCE(fmt, ##__VA_ARGS__)
 #define NET_INFO(fmt, ...) LOG_INF(fmt,  ##__VA_ARGS__)
 
 #define NET_HEXDUMP_DBG(_data, _length, _str) LOG_HEXDUMP_DBG(_data, _length, _str)

subsys/net/ip/net_if.c

@@ -262,8 +262,8 @@ static bool net_if_tx(struct net_if *iface, struct net_pkt *pkt)
 		status = net_if_l2(iface)->send(iface, pkt);
 		net_if_tx_unlock(iface);
 		if (status < 0) {
-			NET_WARN("iface %d pkt %p send failure status %d",
-				 net_if_get_by_iface(iface), pkt, status);
+			NET_WARN_ONCE("iface %d pkt %p send failure status %d",
+				      net_if_get_by_iface(iface), pkt, status);
 		}
 
 		if (IS_ENABLED(CONFIG_NET_PKT_TXTIME_STATS) ||