[  517.333129] bond0: (slave eth0): making interface the new active one
[  517.333224] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.557562] bond0: (slave eth0): Releasing backup interface
[  521.676262] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.842070] bond0: (slave eth0): Releasing backup interface
[  525.876050] bond0 (unregistering): Released all slaves