[  513.966171] bond0: (slave eth0): making interface the new active one
[  513.966324] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.164971] bond0: (slave eth0): Releasing backup interface
[  518.253139] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.452390] bond0: (slave eth0): Releasing backup interface
[  522.482329] bond0 (unregistering): Released all slaves