[  518.347902] bond0: (slave eth0): making interface the new active one
[  518.347996] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.592250] bond0: (slave eth0): Releasing backup interface
[  522.713327] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.880323] bond0: (slave eth0): Releasing backup interface
[  526.906109] bond0 (unregistering): Released all slaves