[  522.368397] bond0: (slave eth0): making interface the new active one
[  522.368514] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.541735] bond0: (slave eth0): Releasing backup interface
[  526.599385] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.767027] bond0: (slave eth0): Releasing backup interface
[  530.805059] bond0 (unregistering): Released all slaves