[  528.858777] bond0: (slave eth0): making interface the new active one
[  528.858908] bond0: (slave eth0): Enslaving as an active interface with an up link
[  533.072357] bond0: (slave eth0): Releasing backup interface
[  533.152644] bond0: (slave eth0): Enslaving as an active interface with an up link
[  537.302546] bond0: (slave eth0): Releasing backup interface