[  535.720705] bond0: (slave eth0): making interface the new active one
[  535.720805] bond0: (slave eth0): Enslaving as an active interface with an up link
[  539.935963] bond0: (slave eth0): Releasing backup interface
[  540.032090] bond0: (slave eth0): Enslaving as an active interface with an up link
[  544.213469] bond0: (slave eth0): Releasing backup interface
[  544.250435] bond0 (unregistering): Released all slaves