[  506.123889] bond0: (slave eth0): making interface the new active one
[  506.123972] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.289406] bond0: (slave eth0): Releasing backup interface
[  510.373653] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.522413] bond0: (slave eth0): Releasing backup interface
[  514.548438] bond0 (unregistering): Released all slaves