use alias_2char and bs58 to create netns name

src/exec.rs

@@ -278,13 +278,18 @@ pub fn exec(command: ExecCommand, uiclient: &dyn UiClient) -> anyhow::Result<()>
 
     let alias = match provider {
         VpnProvider::Custom => "c".to_string(),
-        _ => provider.get_dyn_provider().alias(),
+        _ => provider.get_dyn_provider().alias_2char(),
     };
 
     let ns_name = if let Some(c_ns_name) = custom_netns_name {
         c_ns_name
     } else {
-        format!("vopono_{alias}_{server_name}")
+        let short_name = if server_name.len() > 7 {
+            bs58::encode(&server_name).into_string()[0..7].to_string()
+        } else {
+            server_name.clone()
+        };
+        format!("vo_{alias}_{short_name}")
     };
 
     let mut ns;

vopono_core/src/network/netns.rs

@@ -176,10 +176,8 @@ impl NetworkNamespace {
 
     pub fn add_veth_pair(&mut self) -> anyhow::Result<()> {
         // TODO: Handle if name taken?
-        // Use bs58 here?
-        let basename = &self.name[((self.name.len() as i32) - 13).max(0) as usize..self.name.len()];
-        let source = format!("{basename}_s");
-        let dest = format!("{basename}_d");
+        let source = format!("{}_s", self.name);
+        let dest = format!("{}_d", self.name);
         self.veth_pair = Some(VethPair::new(source, dest, self)?);
         Ok(())
     }