diff --git a/src/IRCBridge.ts b/src/IRCBridge.ts
index dc02055..439c2dc 100644
--- a/src/IRCBridge.ts
+++ b/src/IRCBridge.ts
@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import {LogService, MatrixClient, MatrixEvent} from "matrix-bot-sdk";
+import { LogService, MatrixClient, MatrixEvent } from "matrix-bot-sdk";
 import * as irc from "irc-upd";
 import { Auditorium } from "./models/Auditorium";
 import { InterestRoom } from "./models/InterestRoom";
@@ -62,7 +62,7 @@ export class IRCBridge {
     }
 
     public async deriveChannelName(auditorium: Auditorium) {
-        const name = await auditorium.getName();
+        const name = await auditorium.getSlug();
         if (!name) {
             throw Error('Auditorium name is empty');
         }
@@ -93,9 +93,13 @@ export class IRCBridge {
         } else {
             this.botRoomId = data.roomId;
         }
-
-        // This should timeout if the connection is broken
-        await this.executeCommand("bridgeversion");
+    
+        try {
+            // This should timeout if the connection is broken
+            await this.executeCommand("bridgeversion");
+        } catch (ex) {
+            LogService.warn(`IRCBridge`, "Failed to get IRC bridge version, it may be unreachable.");
+        }
 
         this.ircClient = new irc.Client(this.config.serverName, this.config.botNick, {
             port: this.config.port,
@@ -134,6 +138,10 @@ export class IRCBridge {
         await this.ircClient.join(channel);
         const result = await this.executeCommand(`plumb ${roomId} ${this.config.serverName} ${channel}`);
         const resultText = result.content.body;
+        if (resultText.match(/Room mapping already exists/)) {
+            // Already bridged
+            return;
+        }
         if (resultText !== 'Room plumbed.') {
             throw Error(`IRC bridge gave an error: ${resultText}`);
         }
diff --git a/src/commands/IrcPlumbCommand.ts b/src/commands/IrcPlumbCommand.ts
index 322459e..9fcf80e 100644
--- a/src/commands/IrcPlumbCommand.ts
+++ b/src/commands/IrcPlumbCommand.ts
@@ -21,8 +21,9 @@ import { IRCBridge } from "../IRCBridge";
 import { logMessage } from "../LogProxy";
 import { KickPowerLevel } from "../models/room_kinds";
 import { ConferenceMatrixClient } from "../ConferenceMatrixClient";
+import { PowerLevelAction } from "matrix-bot-sdk/lib/models/PowerLevelAction";
 
-const PLUMB_WAIT_MS = 1000;
+const PLUMB_WAIT_MS = 10000;
 
 export class IrcPlumbCommand implements ICommand {
     public readonly prefixes = ["plumb-irc"];
@@ -34,7 +35,7 @@ export class IrcPlumbCommand implements ICommand {
         for (const auditorium of this.conference.storedAuditoriums) {
             const channelName = await this.ircBridge.deriveChannelName(auditorium);
             try {
-                await this.plumbOne(this.client, channelName, auditorium.roomId);
+                await this.plumbOne(this.client, auditorium.roomId, channelName);
                 // Wait before plumbing the next one so as to not overwhelm the poor bridge.
                 await new Promise(r => setTimeout(r, PLUMB_WAIT_MS));
             } catch (ex) {
@@ -45,7 +46,7 @@ export class IrcPlumbCommand implements ICommand {
         for (const interest of this.conference.storedInterestRooms) {
             const channelName = await this.ircBridge.deriveChannelNameSI(interest);
             try {
-                await this.plumbOne(this.client, channelName, interest.roomId);
+                await this.plumbOne(this.client, interest.roomId, channelName);
                 // Wait before plumbing the next one so as to not overwhelm the poor bridge.
                 await new Promise(r => setTimeout(r, PLUMB_WAIT_MS));
             } catch (ex) {
@@ -71,8 +72,10 @@ export class IrcPlumbCommand implements ICommand {
         }
 
         try {
-            // The bridge needs the ability to kick KLINED users.
-            await client.setUserPowerLevel(this.ircBridge.botUserId, resolvedRoomId, KickPowerLevel);
+            if (!await client.userHasPowerLevelForAction(this.ircBridge.botUserId, resolvedRoomId, PowerLevelAction.Kick)) {
+                // The bridge needs the ability to kick KLINED users.
+                await client.setUserPowerLevel(this.ircBridge.botUserId, resolvedRoomId, KickPowerLevel);
+            }
         } catch (ex) {
             LogService.warn("IrcPlumbCommand", ex);
             return logMessage(LogLevel.WARN, "IrcPlumbCommand", `Could not plumb channel to room ${resolvedRoomId}: could not set AS power level`, this.client);