[  518.342903] bond0: (slave eth0): making interface the new active one
[  518.343043] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.520751] bond0: (slave eth0): Releasing backup interface
[  522.604044] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.813445] bond0: (slave eth0): Releasing backup interface
[  526.854332] bond0 (unregistering): Released all slaves