[  518.381754] bond0: (slave eth0): making interface the new active one
[  518.381847] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.590678] bond0: (slave eth0): Releasing backup interface
[  522.704968] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.933985] bond0: (slave eth0): Releasing backup interface
[  526.961909] bond0 (unregistering): Released all slaves