[  521.310568] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.320912] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.331322] br0: port 1(veth0) entered blocking state
[  521.331396] br0: port 1(veth0) entered disabled state
[  521.331463] veth0: entered allmulticast mode
[  521.331550] veth0: entered promiscuous mode
[  521.341782] br0: port 2(veth1) entered blocking state
[  521.341859] br0: port 2(veth1) entered disabled state
[  521.341918] veth1: entered allmulticast mode
[  521.342005] veth1: entered promiscuous mode
[  522.298099] br0: port 1(veth0) entered blocking state
[  522.298252] br0: port 1(veth0) entered forwarding state
[  522.298368] br0: port 2(veth1) entered blocking state
[  522.298432] br0: port 2(veth1) entered forwarding state
[  523.386046] bond0: (slave veth1): link status definitely up
[  523.386136] bond0: (slave veth1): making interface the new active one
[  523.386209] bond0: active interface up!
[  523.524544] veth1: left allmulticast mode
[  523.524629] veth1: left promiscuous mode
[  523.524694] br0: port 2(veth1) entered disabled state
[  523.524831] veth0: left allmulticast mode
[  523.524873] veth0: left promiscuous mode
[  523.524941] br0: port 1(veth0) entered disabled state
[  523.543409] bond0: (slave veth1): Releasing backup interface
[  523.549187] bond0: (slave veth0): Releasing backup interface
[  523.570365] bond0 (unregistering): Released all slaves