[release-5.1] LOG-1555: call strip() only in case the object has that method

[openshift-cherrypick-robot]

This is an automated cherry-pick of #2198

/assign vparfonov

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[vparfonov]

/close

[openshift-ci]

@vparfonov: Closed this PR.

In response to this:

/close

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