[  518.248436] bond0: (slave eth0): making interface the new active one
[  518.248520] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.444249] bond0: (slave eth0): Releasing backup interface
[  522.517295] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.673822] bond0: (slave eth0): Releasing backup interface
[  526.704482] bond0 (unregistering): Released all slaves