CA-74222 : Allow the Bond.create to carry on even if the MTU size is invalid , however log the error.

Signed-off-by: Akshay Ramani <akshay.ramani@citrix.com>
Merge pull request #1049 from akshayramani/CA-74222

CA-74222:All the Bond.create to carry on without failing when created with an unsupported MTU value, however log the error