[  535.903578] bond0: (slave eth0): making interface the new active one
[  535.903640] bond0: (slave eth0): Enslaving as an active interface with an up link
[  540.111088] bond0: (slave eth0): Releasing backup interface
[  540.203024] bond0: (slave eth0): Enslaving as an active interface with an up link
[  544.397770] bond0: (slave eth0): Releasing backup interface
[  544.436775] bond0 (unregistering): Released all slaves