diff --git a/www/garage/files/patch-cargo-crates_pnet__datalink-0.28.0_src_bpf.rs b/www/garage/files/patch-cargo-crates_pnet__datalink-0.28.0_src_bpf.rs
new file mode 100644
index 000000000000..271eea130ae9
--- /dev/null
+++ b/www/garage/files/patch-cargo-crates_pnet__datalink-0.28.0_src_bpf.rs
@@ -0,0 +1,11 @@
+--- cargo-crates/pnet_datalink-0.28.0/src/bpf.rs.orig	2022-06-08 16:54:23 UTC
++++ cargo-crates/pnet_datalink-0.28.0/src/bpf.rs
+@@ -130,7 +130,7 @@ pub fn channel(network_interface: &NetworkInterface, c
+     }
+     let mut iface: bpf::ifreq = unsafe { mem::zeroed() };
+     for (i, c) in network_interface.name.bytes().enumerate() {
+-        iface.ifr_name[i] = c as i8;
++        iface.ifr_name[i] = c as libc::c_char;
+     }
+ 
+     let buflen = config.read_buffer_size as libc::c_uint;