[  518.250856] bond0: (slave eth0): making interface the new active one
[  518.250918] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.460707] bond0: (slave eth0): Releasing backup interface
[  522.566376] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.744094] bond0: (slave eth0): Releasing backup interface
[  526.774025] bond0 (unregistering): Released all slaves