[  518.396986] bond0: (slave eth0): making interface the new active one
[  518.397068] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.584994] bond0: (slave eth0): Releasing backup interface
[  522.678812] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.877681] bond0: (slave eth0): Releasing backup interface
[  526.914072] bond0 (unregistering): Released all slaves