ip route add/delete default failed with operation not permitted

### Description

ip route add/delete default failed with operation not permitted

### Steps to reproduce

ip route add/delete default failed with operation not permitted

### runsc version

_No response_

### docker version (if using docker)

_No response_

### uname

_No response_

### kubectl (if using Kubernetes)

_No response_

### repo state (if built from source)

_No response_

### runsc debug logs (if available)

_No response_