Device bondX.Y does not seem to be present, delaying initialization

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Issue

We have created a bond and added VLAN subinterfaces to it. When the network service starts, the VLAN interfaces will not start. The following error is displayed

Device bond0.21 does not seem to be present, delaying initialization

Environment

Red Hat Enterprise Linux 5
Channel Bonding on multiple network interfaces
802.1q VLANs trunked to system

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