[  514.441341] bond0: (slave eth0): making interface the new active one
[  514.441430] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.683753] bond0: (slave eth0): Releasing backup interface
[  518.770132] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.970963] bond0: (slave eth0): Releasing backup interface
[  523.000876] bond0 (unregistering): Released all slaves