uml_vector_default_bpf 1271 arch/um/drivers/vector_kern.c 		vp->bpf = uml_vector_default_bpf(vp->fds->rx_fd, dev->dev_addr);
uml_vector_default_bpf   98 arch/um/drivers/vector_user.h extern void *uml_vector_default_bpf(int fd, void *mac);