[  518.634297] bond0: (slave eth0): making interface the new active one
[  518.634394] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.825038] bond0: (slave eth0): Releasing backup interface
[  522.891258] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.054241] bond0: (slave eth0): Releasing backup interface
[  527.080028] bond0 (unregistering): Released all slaves