[  516.930985] bond0: (slave eth0): making interface the new active one
[  516.931054] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.172615] bond0: (slave eth0): Releasing backup interface
[  521.290280] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.462054] bond0: (slave eth0): Releasing backup interface
[  525.497085] bond0 (unregistering): Released all slaves