[  514.159167] bond0: (slave eth0): making interface the new active one
[  514.159240] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.359910] bond0: (slave eth0): Releasing backup interface
[  518.462195] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.644891] bond0: (slave eth0): Releasing backup interface
[  522.673810] bond0 (unregistering): Released all slaves