[  516.466454] bond0: (slave eth0): making interface the new active one
[  516.466570] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.732313] bond0: (slave eth0): Releasing backup interface
[  520.853213] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.087127] bond0: (slave eth0): Releasing backup interface
[  525.119041] bond0 (unregistering): Released all slaves