[  517.327197] bond0: (slave eth0): making interface the new active one
[  517.327289] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.495363] bond0: (slave eth0): Releasing backup interface
[  521.574477] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.717297] bond0: (slave eth0): Releasing backup interface
[  525.761227] bond0 (unregistering): Released all slaves