[  516.529047] bond0: (slave eth0): making interface the new active one
[  516.529117] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.741900] bond0: (slave eth0): Releasing backup interface
[  520.866914] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.090628] bond0: (slave eth0): Releasing backup interface
[  525.121582] bond0 (unregistering): Released all slaves