Log messages for docker vNICs blocking/forwarding


highspeed

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I've just noticed in my logs that the virtual interfaces in docker appear to be going into a blocking mode, then cycling back to forwarding:

 

Feb 28 12:54:11 NAS kernel: docker0: port 2(vethd01f0ec) entered disabled state
Feb 28 12:54:12 NAS kernel: docker0: port 2(vethd01f0ec) entered disabled state
Feb 28 12:54:12 NAS kernel: device vethd01f0ec left promiscuous mode
Feb 28 12:54:12 NAS kernel: docker0: port 2(vethd01f0ec) entered disabled state
Feb 28 12:54:16 NAS kernel: docker0: port 2(veth1a33bbc) entered blocking state
Feb 28 12:54:16 NAS kernel: docker0: port 2(veth1a33bbc) entered disabled state
Feb 28 12:54:16 NAS kernel: device veth1a33bbc entered promiscuous mode
Feb 28 12:54:16 NAS kernel: docker0: port 2(veth1a33bbc) entered blocking state
Feb 28 12:54:16 NAS kernel: docker0: port 2(veth1a33bbc) entered forwarding state
Feb 28 12:54:16 NAS kernel: docker0: port 2(veth1a33bbc) entered disabled state
Feb 28 12:54:18 NAS kernel: eth0: renamed from veth12e0e95
Feb 28 12:54:18 NAS kernel: docker0: port 2(veth1a33bbc) entered blocking state
Feb 28 12:54:18 NAS kernel: docker0: port 2(veth1a33bbc) entered forwarding state

This appears to be happening on multiple ports about every hour or two. Does anyone have experience with this?

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