[  518.090122] bond0: (slave eth0): making interface the new active one
[  518.090214] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.330056] bond0: (slave eth0): Releasing backup interface
[  522.446965] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.615004] bond0: (slave eth0): Releasing backup interface
[  526.640970] bond0 (unregistering): Released all slaves