[  518.468079] bond0: (slave eth0): making interface the new active one
[  518.468171] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.636600] bond0: (slave eth0): Releasing backup interface
[  522.705879] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.864154] bond0: (slave eth0): Releasing backup interface
[  526.893112] bond0 (unregistering): Released all slaves