[  518.392180] bond0: (slave eth0): making interface the new active one
[  518.392273] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.572415] bond0: (slave eth0): Releasing backup interface
[  522.646994] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.801692] bond0: (slave eth0): Releasing backup interface
[  526.830354] bond0 (unregistering): Released all slaves