[  517.909129] bond0: (slave eth0): making interface the new active one
[  517.909227] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.062625] bond0: (slave eth0): Releasing backup interface
[  522.135254] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.294171] bond0: (slave eth0): Releasing backup interface
[  526.322159] bond0 (unregistering): Released all slaves