[  520.806213] bond0: (slave eth0): making interface the new active one
[  520.806310] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.003842] bond0: (slave eth0): Releasing backup interface
[  525.079551] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.225725] bond0: (slave eth0): Releasing backup interface
[  529.256721] bond0 (unregistering): Released all slaves