[  508.283277] bond0: (slave eth0): making interface the new active one
[  508.283365] bond0: (slave eth0): Enslaving as an active interface with an up link
[  512.466384] bond0: (slave eth0): Releasing backup interface
[  512.566034] bond0: (slave eth0): Enslaving as an active interface with an up link
[  516.755002] bond0: (slave eth0): Releasing backup interface
[  516.783886] bond0 (unregistering): Released all slaves