PROBE::NETDEV.CHAN(3stap)

✨ NAME ✨

probe::netdev.change_mtu — bestie, this probe fires when the netdev MTU gets changed 💅

It's a lil probe from the Networking Tapset (page PROBE::NETDEV.CHAN(3stap), section 3stap, iykyk) 🦋

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🌸 SYNOPSIS 🌸

probe netdev.change_mtu {}

That's literally it. No args, no params, no drama. It just exists and vibes until an MTU changes 🎀

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💖 VALUES 💖

Okay so when this probe goes off, you get handed these three lil cuties. Read them, love them, use them 👑

• new_mtu — the brand new MTU. The glow-up value ✨
• dev_name — the device that's about to have its MTU changed. Main character device energy 🫶
• old_mtu — the MTU it had before. The before-picture 📸

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🔥 SEE ALSO 🔥

• tapset::networking(3stap) — go read the networking tapset bestie, it's giving lore 📚

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not me writing a whole manpage just so you'd finally read it 🙈 but fr fr, every value matters here, no cap 💀

SystemTap Tapset Reference, Version September 2026 — that's the tea, signed, sealed, delivered, and stamped onto PROBE::NETDEV.CHAN(3stap) 💜🧚🌈