[  518.531050] bond0: (slave eth0): making interface the new active one
[  518.531133] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.694441] bond0: (slave eth0): Releasing backup interface
[  522.776388] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.917261] bond0: (slave eth0): Releasing backup interface
[  526.946205] bond0 (unregistering): Released all slaves