[  536.252330] bond0: (slave eth0): making interface the new active one
[  536.252417] bond0: (slave eth0): Enslaving as an active interface with an up link
[  540.429893] bond0: (slave eth0): Releasing backup interface
[  540.504472] bond0: (slave eth0): Enslaving as an active interface with an up link
[  544.652824] bond0: (slave eth0): Releasing backup interface
[  544.677842] bond0 (unregistering): Released all slaves