[  516.659693] bond0: (slave eth0): making interface the new active one
[  516.659790] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.846336] bond0: (slave eth0): Releasing backup interface
[  520.933558] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.135837] bond0: (slave eth0): Releasing backup interface
[  525.164677] bond0 (unregistering): Released all slaves