[  520.817546] bond0: (slave eth0): making interface the new active one
[  520.817639] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.006895] bond0: (slave eth0): Releasing backup interface
[  525.077553] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.231331] bond0: (slave eth0): Releasing backup interface
[  529.256254] bond0 (unregistering): Released all slaves