[  540.056104] bond0: (slave eth0): making interface the new active one
[  540.056203] bond0: (slave eth0): Enslaving as an active interface with an up link
[  544.275935] bond0: (slave eth0): Releasing backup interface
[  544.371612] bond0: (slave eth0): Enslaving as an active interface with an up link
[  548.563749] bond0: (slave eth0): Releasing backup interface
[  548.592691] bond0 (unregistering): Released all slaves