[  518.051828] bond0: (slave eth0): making interface the new active one
[  518.051942] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.251164] bond0: (slave eth0): Releasing backup interface
[  522.322896] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.475737] bond0: (slave eth0): Releasing backup interface
[  526.506664] bond0 (unregistering): Released all slaves