[  514.175218] bond0: (slave eth0): making interface the new active one
[  514.175288] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.359659] bond0: (slave eth0): Releasing backup interface
[  518.469893] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.653307] bond0: (slave eth0): Releasing backup interface
[  522.678226] bond0 (unregistering): Released all slaves