BOND_OPT_FAIL_OVER_MAC
valptr = bond_opt_parse(bond_opt_get(BOND_OPT_FAIL_OVER_MAC),
err = __bond_opt_set(bond, BOND_OPT_FAIL_OVER_MAC, &newval,
[BOND_OPT_FAIL_OVER_MAC] = {
.id = BOND_OPT_FAIL_OVER_MAC,
optval = bond_opt_get_val(BOND_OPT_FAIL_OVER_MAC,
val = bond_opt_get_val(BOND_OPT_FAIL_OVER_MAC,