[  516.785260] bond0: (slave eth0): making interface the new active one
[  516.785385] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.980143] bond0: (slave eth0): Releasing backup interface
[  521.041002] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.205495] bond0: (slave eth0): Releasing backup interface
[  525.226198] bond0 (unregistering): Released all slaves