diff --git a/core/startos/src/context/rpc.rs b/core/startos/src/context/rpc.rs
index 8bd138b86..94fdd10c5 100644
--- a/core/startos/src/context/rpc.rs
+++ b/core/startos/src/context/rpc.rs
@@ -1,4 +1,3 @@
-use std::backtrace;
 use std::collections::{BTreeMap, BTreeSet};
 use std::future::Future;
 use std::net::{Ipv4Addr, SocketAddr, SocketAddrV4};
@@ -63,7 +62,7 @@ pub struct RpcContextSeed {
     pub lxc_manager: Arc<LxcManager>,
     pub open_authed_continuations: OpenAuthedContinuations<Option<InternedString>>,
     pub rpc_continuations: RpcContinuations,
-    pub callbacks: ServiceCallbacks,
+    pub callbacks: Arc<ServiceCallbacks>,
     pub wifi_manager: Option<Arc<RwLock<WpaCli>>>,
     pub current_secret: Arc<Jwk>,
     pub client: Client,
@@ -231,6 +230,7 @@ impl RpcContext {
             sync_db: watch::Sender::new(db.sequence().await),
             db,
             account: RwLock::new(account),
+            callbacks: net_controller.callbacks.clone(),
             net_controller,
             os_net_service,
             s9pk_arch: if config.multi_arch_s9pks.unwrap_or(false) {
@@ -245,7 +245,6 @@ impl RpcContext {
             lxc_manager: Arc::new(LxcManager::new()),
             open_authed_continuations: OpenAuthedContinuations::new(),
             rpc_continuations: RpcContinuations::new(),
-            callbacks: Default::default(),
             wifi_manager: wifi_interface
                 .clone()
                 .map(|i| Arc::new(RwLock::new(WpaCli::init(i)))),
@@ -492,7 +491,7 @@ impl Drop for RpcContext {
             let count = Arc::strong_count(&self.0) - 1;
             tracing::info!("RpcContext dropped. {} left.", count);
             if count > 0 {
-                tracing::debug!("{}", backtrace::Backtrace::force_capture());
+                tracing::debug!("{}", std::backtrace::Backtrace::force_capture());
                 tracing::debug!("{:?}", eyre!(""))
             }
         }
diff --git a/core/startos/src/net/net_controller.rs b/core/startos/src/net/net_controller.rs
index ca687bedb..403e3ac36 100644
--- a/core/startos/src/net/net_controller.rs
+++ b/core/startos/src/net/net_controller.rs
@@ -3,7 +3,7 @@ use std::net::{Ipv4Addr, SocketAddr};
 use std::sync::{Arc, Weak};
 
 use color_eyre::eyre::eyre;
-use imbl::OrdMap;
+use imbl::{vector, OrdMap};
 use imbl_value::InternedString;
 use ipnet::IpNet;
 use models::{HostId, OptionExt, PackageId};
@@ -26,6 +26,7 @@ use crate::net::tor::TorController;
 use crate::net::utils::ipv6_is_local;
 use crate::net::vhost::{AlpnInfo, TargetInfo, VHostController};
 use crate::prelude::*;
+use crate::service::effects::callbacks::ServiceCallbacks;
 use crate::util::serde::MaybeUtf8String;
 use crate::HOST_IP;
 
@@ -37,6 +38,7 @@ pub struct NetController {
     pub(super) dns: DnsController,
     pub(super) forward: LanPortForwardController,
     pub(super) server_hostnames: Vec<Option<InternedString>>,
+    pub(crate) callbacks: Arc<ServiceCallbacks>,
 }
 
 impl NetController {
@@ -66,6 +68,7 @@ impl NetController {
                 // LAN mDNS
                 Some(hostname.local_domain_name()),
             ],
+            callbacks: Arc::new(ServiceCallbacks::default()),
         })
     }
 
@@ -80,7 +83,7 @@ impl NetController {
         let res = NetService::new(NetServiceData {
             id: Some(package),
             ip,
-            dns,
+            _dns: dns,
             controller: Arc::downgrade(self),
             binds: BTreeMap::new(),
         })?;
@@ -94,7 +97,7 @@ impl NetController {
         let service = NetService::new(NetServiceData {
             id: None,
             ip: [127, 0, 0, 1].into(),
-            dns,
+            _dns: dns,
             controller: Arc::downgrade(self),
             binds: BTreeMap::new(),
         })?;
@@ -131,7 +134,7 @@ struct HostBinds {
 pub struct NetServiceData {
     id: Option<PackageId>,
     ip: Ipv4Addr,
-    dns: Arc<()>,
+    _dns: Arc<()>,
     controller: Weak<NetController>,
     binds: BTreeMap<HostId, HostBinds>,
 }
@@ -576,14 +579,22 @@ impl NetServiceData {
             }
         }
 
-        ctrl.db
+        let res = ctrl
+            .db
             .mutate(|db| {
                 host_for(db, self.id.as_ref(), &id)?
                     .as_hostname_info_mut()
                     .ser(&hostname_info)
             })
-            .await
-            .result?;
+            .await;
+        res.result?;
+        if let Some(pkg_id) = self.id.as_ref() {
+            if res.revision.is_some() {
+                if let Some(cbs) = ctrl.callbacks.get_host_info(&(pkg_id.clone(), id)) {
+                    cbs.call(vector![]).await?;
+                }
+            }
+        }
         Ok(())
     }
 
@@ -637,7 +648,7 @@ impl NetService {
             data: Arc::new(Mutex::new(NetServiceData {
                 id: None,
                 ip: Ipv4Addr::new(0, 0, 0, 0),
-                dns: Default::default(),
+                _dns: Default::default(),
                 controller: Default::default(),
                 binds: BTreeMap::new(),
             })),