feat: Expose internal verifier error #44
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When verifier error happens, it's required to retrieve the internal
verifier error to print the verifier log, like the code snippet:
```go
var ve *ebpf.VerifierError
if errors.As(err, &ve) {
// Do something with `ve`, like
fmt.Printf("failed to verify bpf prog: %+v\n", ve)
}
```
Signed-off-by: Leon Hwang <hffilwlqm@gmail.com>
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When verifier error happens, it's required to retrieve the internal verifier error to print the verifier log, like the code snippet: