[  518.042957] bond0: (slave eth0): making interface the new active one
[  518.043058] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.184840] bond0: (slave eth0): Releasing backup interface
[  522.241029] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.410053] bond0: (slave eth0): Releasing backup interface
[  526.445022] bond0 (unregistering): Released all slaves