[  521.635975] bond0: (slave eth0): making interface the new active one
[  521.636059] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.781831] bond0: (slave eth0): Releasing backup interface
[  525.856033] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.008240] bond0: (slave eth0): Releasing backup interface
[  530.036123] bond0 (unregistering): Released all slaves