distributed_bridge: check ip address before validating traffic
distributed_bridge: check ip address before validating traffic

Signed-off-by: Wei-Chun Chao <8ea447204331e429ba3805decf2e57900e644efd@plumgrid.com>

brendangregg/bcc,mbudiu-bfn/bcc,mshahbaz/bcc-deprecated,mbudiu-bfn/bcc,bpowers/bcc,brendangregg/bcc,tuxology/bcc,mbudiu-bfn/bcc,arslanabbasi/bcc,mkacik/bcc,iovisor/bcc,zaafar/bcc,romain-intel/bcc,mbudiu-bfn/bcc,romain-intel/bcc,mkacik/bcc,shodoco/bcc,bpowers/bcc,iovisor/bcc,mshahbaz/bcc-deprecated,shodoco/bcc,mkacik/bcc,mcaleavya/bcc,mkacik/bcc,zaafar/bcc,zaafar/bcc,tuxology/bcc,mshahbaz/bcc-deprecated,arslanabbasi/bcc,bpowers/bcc,tuxology/bcc,shodoco/bcc,zaafar/bcc,iovisor/bcc,shodoco/bcc,romain-intel/bcc,iovisor/bcc,mshahbaz/bcc-deprecated,iovisor/bcc,mcaleavya/bcc,bpowers/bcc,zaafar/bcc,romain-intel/bcc,bpowers/bcc,arslanabbasi/bcc,brendangregg/bcc,tuxology/bcc,mcaleavya/bcc,arslanabbasi/bcc,mbudiu-bfn/bcc,mcaleavya/bcc,shodoco/bcc,arslanabbasi/bcc,mkacik/bcc,romain-intel/bcc,mcaleavya/bcc,mshahbaz/bcc-deprecated,brendangregg/bcc,tuxology/bcc,brendangregg/bcc