[  518.704901] bond0: (slave eth0): making interface the new active one
[  518.704984] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.910186] bond0: (slave eth0): Releasing backup interface
[  523.025536] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.200527] bond0: (slave eth0): Releasing backup interface
[  527.239051] bond0 (unregistering): Released all slaves