BOND_OPT_TLB_DYNAMIC_LB
valptr = bond_opt_parse(bond_opt_get(BOND_OPT_TLB_DYNAMIC_LB), &newval);
err = __bond_opt_set(bond, BOND_OPT_TLB_DYNAMIC_LB, &newval,
[BOND_OPT_TLB_DYNAMIC_LB] = {
.id = BOND_OPT_TLB_DYNAMIC_LB,