netlink: support NLA_BINARY and NLA_NUL_STRING
netlink: support NLA_BINARY and NLA_NUL_STRING

mtiny/pyroute2,little-dude/pyroute2,simudream/pyroute2,drzaeus77/pyroute2,little-dude/pyroute2,little-dude/pyroute2,nazarewk/pyroute2,vodik/pyroute2,simudream/pyroute2,tomislacker/python-iproute2,roolebo/pyroute2,roolebo/pyroute2,mtiny/pyroute2,nazarewk/pyroute2,tomislacker/python-iproute2,vodik/pyroute2,nazarewk/pyroute2,drzaeus77/pyroute2