[  726.114574] 8021q: adding VLAN 0 to HW filter on device bond0
[  726.117484] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  726.120288] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  726.123157] br0: port 1(veth0) entered blocking state
[  726.123227] br0: port 1(veth0) entered disabled state
[  726.123288] veth0: entered allmulticast mode
[  726.123386] veth0: entered promiscuous mode
[  726.126259] br0: port 2(veth1) entered blocking state
[  726.126299] br0: port 2(veth1) entered disabled state
[  726.126412] veth1: entered allmulticast mode
[  726.126529] veth1: entered promiscuous mode
[  726.367480] br0: port 1(veth0) entered blocking state
[  726.367530] br0: port 1(veth0) entered forwarding state
[  726.367683] br0: port 2(veth1) entered blocking state
[  726.367735] br0: port 2(veth1) entered forwarding state
[  728.174488] bond0: (slave veth1): link status definitely up
[  728.174565] bond0: (slave veth1): making interface the new active one
[  728.174691] bond0: active interface up!
[  728.251868] veth1: left allmulticast mode
[  728.251909] veth1: left promiscuous mode
[  728.251938] br0: port 2(veth1) entered disabled state
[  728.252081] veth0: left allmulticast mode
[  728.252105] veth0: left promiscuous mode
[  728.252130] br0: port 1(veth0) entered disabled state
[  728.265615] bond0: (slave veth1): Releasing backup interface
[  728.269562] bond0: (slave veth0): Releasing backup interface