[  516.913332] bond0: (slave eth0): making interface the new active one
[  516.913422] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.107519] bond0: (slave eth0): Releasing backup interface
[  521.195253] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.393815] bond0: (slave eth0): Releasing backup interface
[  525.426754] bond0 (unregistering): Released all slaves