Multiple network bonds in Debian 9 Stretch

If you try to configure more than one network bond in Debian 9 Stretch you will get errors when trying to bring up the second bond – this is due to the fact that only one bond is configured by default. In order to support more than one bond you need to make the following change:

Edit /etc/modprobe.d/bonding.conf and add the following:

options bonding max_bonds=2

… set the number to number of bonds you require.

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