linux-cp: Cleanup any existing pairs when an interface is deleted
linux-cp: Cleanup any existing pairs when an interface is deleted

Type: fix

This only happens when the user deletes the physical before they delete the pair, that's not supoosed to be the case, but don't crash if it is.

Signed-off-by: Neale Ranns <c8ca090d26e35fc94cb9c8fe2fb2efcfa843d561@graphiant.com>
Change-Id: I8c2317b360d897775dde23833d04430f88531cbd

FDio/vpp,chrisy/vpp,FDio/vpp,chrisy/vpp,FDio/vpp,chrisy/vpp,FDio/vpp,chrisy/vpp,FDio/vpp,FDio/vpp,FDio/vpp,chrisy/vpp,FDio/vpp,chrisy/vpp,chrisy/vpp,chrisy/vpp