[  513.863394] bond0: (slave eth0): making interface the new active one
[  513.863482] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.092553] bond0: (slave eth0): Releasing backup interface
[  518.201418] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.376046] bond0: (slave eth0): Releasing backup interface
[  522.401901] bond0 (unregistering): Released all slaves