bonding: add new/missed bonding options (bsc#905750)

Added arp validate filter, filter_active, filter_backup option
values and new arp validate any/all targets, packets-per-slave,
lp-interval and tlb-dynamic-lb options.
Merge pull request #473 from mtomaschewski/bonding-newopts

bonding: add new/missed bonding options (bsc#905750)