[  518.367297] bond0: (slave eth0): making interface the new active one
[  518.367382] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.568556] bond0: (slave eth0): Releasing backup interface
[  522.632273] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.797223] bond0: (slave eth0): Releasing backup interface
[  526.830169] bond0 (unregistering): Released all slaves