[  518.400268] bond0: (slave eth0): making interface the new active one
[  518.400359] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.610136] bond0: (slave eth0): Releasing backup interface
[  522.718469] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.890188] bond0: (slave eth0): Releasing backup interface
[  526.919147] bond0 (unregistering): Released all slaves