[  544.625202] bond0: (slave eth0): making interface the new active one
[  544.625306] bond0: (slave eth0): Enslaving as an active interface with an up link
[  548.820195] bond0: (slave eth0): Releasing backup interface
[  548.892330] bond0: (slave eth0): Enslaving as an active interface with an up link
[  553.052469] bond0: (slave eth0): Releasing backup interface
[  553.075472] bond0 (unregistering): Released all slaves