[  552.595535] bond0: (slave eth0): making interface the new active one
[  552.595627] bond0: (slave eth0): Enslaving as an active interface with an up link
[  556.758408] bond0: (slave eth0): Releasing backup interface
[  556.839770] bond0: (slave eth0): Enslaving as an active interface with an up link
[  560.987488] bond0: (slave eth0): Releasing backup interface
[  561.008468] bond0 (unregistering): Released all slaves