[  516.901332] bond0: (slave eth0): making interface the new active one
[  516.901421] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.112258] bond0: (slave eth0): Releasing backup interface
[  521.222397] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.402015] bond0: (slave eth0): Releasing backup interface
[  525.428996] bond0 (unregistering): Released all slaves