[  521.940657] bond0: (slave eth0): making interface the new active one
[  521.940779] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.096388] bond0: (slave eth0): Releasing backup interface
[  526.182656] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.381169] bond0: (slave eth0): Releasing backup interface
[  530.407115] bond0 (unregistering): Released all slaves