[  513.804576] bond0: (slave eth0): making interface the new active one
[  513.804686] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.039804] bond0: (slave eth0): Releasing backup interface
[  518.144675] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.329933] bond0: (slave eth0): Releasing backup interface
[  522.361919] bond0 (unregistering): Released all slaves