d10a06d tests/TRACE-target-of-iptables-can-t-work-in: Unload modules only if loaded

Authored and Committed by psutter 4 months ago
    tests/TRACE-target-of-iptables-can-t-work-in: Unload modules only if loaded
    
    Apply the same kernel version check to cleanup phase and omit module
    unloading.