[  517.495018] bond0: (slave eth0): making interface the new active one
[  517.495112] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.681989] bond0: (slave eth0): Releasing backup interface
[  521.761624] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.907202] bond0: (slave eth0): Releasing backup interface
[  525.927207] bond0 (unregistering): Released all slaves