s = format (s, "mode %U ", format_bond_mode, mp->mode);
if (mp->lb)
s = format (s, "lb %U ", format_bond_load_balance, mp->lb);
s = format (s, "mode %U ", format_bond_mode, mp->mode);
if (mp->lb)
s = format (s, "lb %U ", format_bond_load_balance, mp->lb);