[  518.492607] bond0: (slave eth0): making interface the new active one
[  518.492675] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.715202] bond0: (slave eth0): Releasing backup interface
[  522.821828] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.009186] bond0: (slave eth0): Releasing backup interface
[  527.031140] bond0 (unregistering): Released all slaves