[  518.368859] bond0: (slave eth0): making interface the new active one
[  518.368958] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.513957] bond0: (slave eth0): Releasing backup interface
[  522.591971] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.738326] bond0: (slave eth0): Releasing backup interface
[  526.765249] bond0 (unregistering): Released all slaves