OCB and GCM security Is OCB as secure as GCM or CCM ?

Since OCB design is quite different from GCM and CCM, I was wondering if the security properties of these latters are satisfied by OCB, as well.
If you look in the OCB submission for CAESAR, you will see that the designers state the security is similar to that of GCM. I would note, however, that GCM has been shown to posses weak key classes, see for example:


https://eprint.iacr.org/2013/144.pdf
https://eprint.iacr.org/2011/202.pdf
http://www.ecrypt.eu.org/hash2011/proceedings/hash2011_03.pdf
https://about.bozhu.me/paper/lgcm.pdf