[  518.783538] bond0: (slave eth0): making interface the new active one
[  518.783617] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.967654] bond0: (slave eth0): Releasing backup interface
[  523.045845] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.193408] bond0: (slave eth0): Releasing backup interface
[  527.214517] bond0 (unregistering): Released all slaves