[  514.104856] bond0: (slave eth0): making interface the new active one
[  514.104931] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.300637] bond0: (slave eth0): Releasing backup interface
[  518.411552] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.586272] bond0: (slave eth0): Releasing backup interface
[  522.609838] bond0 (unregistering): Released all slaves