fix ncat sctp test and update CI image

[Luap99]

see commits

[Luap99]

@edsantiago I hope this unblock us hopefully

[mheon]

LGTM once it passes CI

[Luap99]

@edsantiago @mheon PTAL again

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: edsantiago, Luap99

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[edsantiago]

My bad.

/lgtm