[  513.969729] bond0: (slave eth0): making interface the new active one
[  513.969798] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.235826] bond0: (slave eth0): Releasing backup interface
[  518.342011] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.519312] bond0: (slave eth0): Releasing backup interface
[  522.551147] bond0 (unregistering): Released all slaves