High CPU usage with no running containers

### Description

Started fresh-installed Colima, CPU usage spikes dramatically after a couple of minutes, even with no containers running.

### Version

colima version 0.10.1
git commit: ed905203afdbc6fd4eae6cc301918099ff31e86e

runtime: docker
arch: aarch64
client: v29.3.0
server: v29.2.1
limactl version 2.0.3
qemu-img version 10.2.1
Copyright (c) 2003-2025 Fabrice Bellard and the QEMU Project developers

### Operating System

- [ ] macOS Intel <= 13 (Ventura)
- [ ] macOS Intel >= 14 (Sonoma)
- [ ] Apple Silicon <= 13 (Ventura)
- [x] Apple Silicon >= 14 (Sonoma)
- [ ] Linux

### Output of `colima status`

colima status
INFO[0001] colima is running using macOS Virtualization.Framework
INFO[0001] arch: aarch64
INFO[0001] runtime: docker
INFO[0001] mountType: virtiofs
INFO[0001] docker socket: unix:///Users/test/.colima/default/docker.sock
INFO[0001] containerd socket: unix:///Users/test/.colima/default/containerd.sock

### Reproduction Steps

1. Start colima
2. colima start --vm-type vz --arch aarch64 --cpu 8 --memory 16

### Expected behaviour

Colima process should use minimal CPU when idle.

### Additional context

**System Software Overview:**

System Version: macOS 26.3.1 (25D2128)
Kernel Version: Darwin 25.3.0

Model Name: MacBook Pro
Model Identifier: Mac16,8
Chip: Apple M4 Pro
Total Number of Cores: 12 (8 Performance and 4 Efficiency)
Memory: 24 GB

**Monitor CPU usage of:**
```
while true; do
echo "$(date +%T): $(ps aux | grep usernet | grep -v grep | awk '{print $3}')% CPU"
sleep 2
done
```
```
11:26:08: 0.0% CPU
11:26:10: 0.0% CPU
11:26:12: 0.0% CPU
11:26:14: 0.0% CPU
...
...
...
11:27:38: 0.0% CPU
11:27:40: 0.0% CPU
11:27:42: 0.0% CPU
11:27:44: 0.0% CPU
11:27:46: 196.1% CPU
11:27:48: 200.0% CPU
11:27:50: 199.3% CPU
11:27:52: 200.6% CPU
11:27:54: 194.5% CPU
11:27:56: 201.7% CPU
11:27:58: 202.5% CPU
11:28:00: 198.5% CPU
11:28:02: 196.7% CPU
11:28:04: 200.2% CPU
11:28:06: 201.0% CPU
11:28:09: 198.1% CPU
11:28:11: 196.9% CPU
11:28:13: 198.5% CPU
11:28:15: 188.6% CPU
11:28:17: 399.6% CPU
```

**Another Observation:**
- If I start Colima without an internet connection, the CPU remains low, and no spikes.
- If I start Colima without an internet connection, then the internet is enabled after a few minutes, and the CPU usage again high after a few minutes