[  517.482585] bond0: (slave eth0): making interface the new active one
[  517.482647] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.683343] bond0: (slave eth0): Releasing backup interface
[  521.772684] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.967786] bond0: (slave eth0): Releasing backup interface
[  525.994688] bond0 (unregistering): Released all slaves