[  496.741948] bond0: (slave eth0): making interface the new active one
[  496.742049] bond0: (slave eth0): Enslaving as an active interface with an up link
[  500.880233] bond0: (slave eth0): Releasing backup interface
[  500.939088] bond0: (slave eth0): Enslaving as an active interface with an up link
[  505.106149] bond0: (slave eth0): Releasing backup interface
[  505.148188] bond0 (unregistering): Released all slaves