[  521.199257] bond0: (slave eth0): making interface the new active one
[  521.199344] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.384803] bond0: (slave eth0): Releasing backup interface
[  525.451279] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.617072] bond0: (slave eth0): Releasing backup interface
[  529.646789] bond0 (unregistering): Released all slaves