[  518.021510] bond0: (slave eth0): making interface the new active one
[  518.021608] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.188142] bond0: (slave eth0): Releasing backup interface
[  522.258378] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.411076] bond0: (slave eth0): Releasing backup interface
[  526.451094] bond0 (unregistering): Released all slaves