Interface renamed, blocking/forwarding/disabled state

When running dmesg, I get the following messages over and over again.
how do I get to know what port 6 is?
Anyone an idea how to fix this?

[13554.007353] device vethc85354a entered promiscuous mode
[13554.081267] br-1147432f3a0b: port 6(vethc85354a) entered blocking state
[13554.081276] br-1147432f3a0b: port 6(vethc85354a) entered forwarding state
[13555.184449] br-1147432f3a0b: port 6(vethc85354a) entered disabled state
[13555.185708] eth0: renamed from veth5fbcd4d
[13555.245507] br-1147432f3a0b: port 6(vethc85354a) entered blocking state
[13555.245517] br-1147432f3a0b: port 6(vethc85354a) entered forwarding state
[13579.495211] br-1147432f3a0b: port 6(vethc85354a) entered disabled state
[13579.495814] veth5fbcd4d: renamed from eth0
[13579.776371] br-1147432f3a0b: port 6(vethc85354a) entered disabled state
[13579.843640] device vethc85354a left promiscuous mode

I’m having the same issue on my Raspi 3 B+, running Raspian OS 10 with Docker / Portainer 2.11.0, openHAB and some other containers. The spammed log itself wouldn’t bother me, but my Raspi loses network connection from time to time (independent from “connected via eth” or “connected via wifi”), which is kind of a pain.

Below the /var/log/messages

Mar 11 21:17:46 homeserver kernel: [184048.110371] veth6572eff: renamed from eth1
Mar 11 21:17:46 homeserver kernel: [184048.248093] app-openhab3: port 3(vethd9b48a4) entered disabled state
Mar 11 21:17:46 homeserver kernel: [184048.250282] device vethd9b48a4 left promiscuous mode
Mar 11 21:17:46 homeserver kernel: [184048.250298] app-openhab3: port 3(vethd9b48a4) entered disabled state
Mar 11 21:17:46 homeserver kernel: [184048.348540] be-openhab3: port 3(veth7829502) entered disabled state
Mar 11 21:17:46 homeserver kernel: [184048.352855] device veth7829502 left promiscuous mode
Mar 11 21:17:46 homeserver kernel: [184048.352878] be-openhab3: port 3(veth7829502) entered disabled state
Mar 11 21:17:47 homeserver kernel: [184048.729272] br-90c87d73d85f: port 1(vethf50486e) entered disabled state
Mar 11 21:17:47 homeserver kernel: [184048.729638] vethe05e8b2: renamed from eth0
Mar 11 21:17:47 homeserver kernel: [184048.838476] br-90c87d73d85f: port 1(vethf50486e) entered disabled state
Mar 11 21:17:47 homeserver kernel: [184048.840110] device vethf50486e left promiscuous mode
Mar 11 21:17:47 homeserver kernel: [184048.840129] br-90c87d73d85f: port 1(vethf50486e) entered disabled state
Mar 11 21:17:48 homeserver kernel: [184050.645601] br-0e8cc1951b33: port 1(veth8571917) entered disabled state
Mar 11 21:17:48 homeserver kernel: [184050.646086] veth45e78e4: renamed from eth0
Mar 11 21:17:49 homeserver kernel: [184050.794314] br-0e8cc1951b33: port 1(veth8571917) entered disabled state
Mar 11 21:17:49 homeserver kernel: [184050.796398] device veth8571917 left promiscuous mode
Mar 11 21:17:49 homeserver kernel: [184050.796424] br-0e8cc1951b33: port 1(veth8571917) entered disabled state
Mar 11 21:17:55 homeserver kernel: [184057.090093] app-openhab3: port 2(veth181f2a2) entered disabled state
Mar 11 21:17:55 homeserver kernel: [184057.091113] vetha8c5974: renamed from eth0
Mar 11 21:17:56 homeserver kernel: [184057.725249] app-openhab3: port 2(veth181f2a2) entered disabled state
Mar 11 21:17:56 homeserver kernel: [184057.727621] device veth181f2a2 left promiscuous mode
Mar 11 21:17:56 homeserver kernel: [184057.727649] app-openhab3: port 2(veth181f2a2) entered disabled state
Mar 11 21:17:56 homeserver kernel: [184057.746062] br-16b85d98d274: port 1(veth046b88c) entered disabled state
Mar 11 21:17:56 homeserver kernel: [184057.746596] veth1cf532e: renamed from eth0
Mar 11 21:17:56 homeserver kernel: [184057.863239] vethf755b85: renamed from eth0
Mar 11 21:17:56 homeserver kernel: [184057.911845] app-openhab3: port 4(vethd5b2fc7) entered disabled state
Mar 11 21:17:56 homeserver kernel: [184057.964718] br-16b85d98d274: port 1(veth046b88c) entered disabled state
Mar 11 21:17:56 homeserver kernel: [184057.966257] device veth046b88c left promiscuous mode
Mar 11 21:17:56 homeserver kernel: [184057.966271] br-16b85d98d274: port 1(veth046b88c) entered disabled state

What’s odd: The network connection doesn’t seem to be down completely, but something like this, with response times of between 16 ms up to 20.000 ms:

PING 192.168.0.150 (192.168.0.150) 56(84) bytes of data.
64 bytes from 192.168.0.150: icmp_seq=1 ttl=64 time=8193 ms
64 bytes from 192.168.0.150: icmp_seq=2 ttl=64 time=7180 ms
64 bytes from 192.168.0.150: icmp_seq=3 ttl=64 time=6157 ms
64 bytes from 192.168.0.150: icmp_seq=4 ttl=64 time=5134 ms
64 bytes from 192.168.0.150: icmp_seq=5 ttl=64 time=4110 ms
64 bytes from 192.168.0.150: icmp_seq=6 ttl=64 time=3086 ms
64 bytes from 192.168.0.150: icmp_seq=7 ttl=64 time=2063 ms
64 bytes from 192.168.0.150: icmp_seq=8 ttl=64 time=1039 ms
64 bytes from 192.168.0.150: icmp_seq=9 ttl=64 time=16.5 ms
64 bytes from 192.168.0.150: icmp_seq=10 ttl=64 time=705 ms
64 bytes from 192.168.0.150: icmp_seq=11 ttl=64 time=6930 ms
64 bytes from 192.168.0.150: icmp_seq=12 ttl=64 time=5924 ms
64 bytes from 192.168.0.150: icmp_seq=13 ttl=64 time=4901 ms
64 bytes from 192.168.0.150: icmp_seq=14 ttl=64 time=3874 ms
64 bytes from 192.168.0.150: icmp_seq=15 ttl=64 time=2859 ms
64 bytes from 192.168.0.150: icmp_seq=16 ttl=64 time=1838 ms
64 bytes from 192.168.0.150: icmp_seq=17 ttl=64 time=2921 ms
64 bytes from 192.168.0.150: icmp_seq=18 ttl=64 time=1923 ms
64 bytes from 192.168.0.150: icmp_seq=19 ttl=64 time=911 ms
64 bytes from 192.168.0.150: icmp_seq=20 ttl=64 time=25706 ms
64 bytes from 192.168.0.150: icmp_seq=21 ttl=64 time=24689 ms
64 bytes from 192.168.0.150: icmp_seq=22 ttl=64 time=23665 ms
64 bytes from 192.168.0.150: icmp_seq=23 ttl=64 time=22642 ms
64 bytes from 192.168.0.150: icmp_seq=24 ttl=64 time=21618 ms
64 bytes from 192.168.0.150: icmp_seq=25 ttl=64 time=20595 ms
64 bytes from 192.168.0.150: icmp_seq=26 ttl=64 time=19572 ms
64 bytes from 192.168.0.150: icmp_seq=27 ttl=64 time=18549 ms
64 bytes from 192.168.0.150: icmp_seq=28 ttl=64 time=17526 ms
64 bytes from 192.168.0.150: icmp_seq=29 ttl=64 time=16508 ms
From 192.168.0.206 icmp_seq=45 Destination Host Unreachable
From 192.168.0.206 icmp_seq=46 Destination Host Unreachable
From 192.168.0.206 icmp_seq=47 Destination Host Unreachable
From 192.168.0.206 icmp_seq=48 Destination Host Unreachable
64 bytes from 192.168.0.150: icmp_seq=30 ttl=64 time=21244 ms
64 bytes from 192.168.0.150: icmp_seq=31 ttl=64 time=20220 ms
64 bytes from 192.168.0.150: icmp_seq=32 ttl=64 time=19197 ms
64 bytes from 192.168.0.150: icmp_seq=33 ttl=64 time=18170 ms
64 bytes from 192.168.0.150: icmp_seq=34 ttl=64 time=17151 ms
64 bytes from 192.168.0.150: icmp_seq=35 ttl=64 time=16128 ms
64 bytes from 192.168.0.150: icmp_seq=36 ttl=64 time=15104 ms
64 bytes from 192.168.0.150: icmp_seq=37 ttl=64 time=14081 ms
64 bytes from 192.168.0.150: icmp_seq=38 ttl=64 time=13057 ms
64 bytes from 192.168.0.150: icmp_seq=39 ttl=64 time=12036 ms
64 bytes from 192.168.0.150: icmp_seq=40 ttl=64 time=11012 ms
64 bytes from 192.168.0.150: icmp_seq=41 ttl=64 time=9989 ms
64 bytes from 192.168.0.150: icmp_seq=42 ttl=64 time=8965 ms
64 bytes from 192.168.0.150: icmp_seq=43 ttl=64 time=7941 ms
64 bytes from 192.168.0.150: icmp_seq=44 ttl=64 time=6918 ms
From 192.168.0.206 icmp_seq=49 Destination Host Unreachable
From 192.168.0.206 icmp_seq=50 Destination Host Unreachable
From 192.168.0.206 icmp_seq=51 Destination Host Unreachable
From 192.168.0.206 icmp_seq=52 Destination Host Unreachable
64 bytes from 192.168.0.150: icmp_seq=53 ttl=64 time=1949 ms
64 bytes from 192.168.0.150: icmp_seq=54 ttl=64 time=936 ms
64 bytes from 192.168.0.150: icmp_seq=55 ttl=64 time=3614 ms
64 bytes from 192.168.0.150: icmp_seq=56 ttl=64 time=2599 ms
64 bytes from 192.168.0.150: icmp_seq=57 ttl=64 time=1575 ms
64 bytes from 192.168.0.150: icmp_seq=58 ttl=64 time=552 ms
64 bytes from 192.168.0.150: icmp_seq=59 ttl=64 time=763 ms
64 bytes from 192.168.0.150: icmp_seq=60 ttl=64 time=312 ms
64 bytes from 192.168.0.150: icmp_seq=61 ttl=64 time=6552 ms
64 bytes from 192.168.0.150: icmp_seq=62 ttl=64 time=5522 ms
64 bytes from 192.168.0.150: icmp_seq=63 ttl=64 time=4502 ms
64 bytes from 192.168.0.150: icmp_seq=64 ttl=64 time=3479 ms
64 bytes from 192.168.0.150: icmp_seq=65 ttl=64 time=2455 ms
64 bytes from 192.168.0.150: icmp_seq=66 ttl=64 time=1431 ms
64 bytes from 192.168.0.150: icmp_seq=67 ttl=64 time=408 ms
64 bytes from 192.168.0.150: icmp_seq=68 ttl=64 time=1435 ms
64 bytes from 192.168.0.150: icmp_seq=69 ttl=64 time=417 ms
64 bytes from 192.168.0.150: icmp_seq=70 ttl=64 time=2338 ms
64 bytes from 192.168.0.150: icmp_seq=71 ttl=64 time=1327 ms
64 bytes from 192.168.0.150: icmp_seq=72 ttl=64 time=300 ms
64 bytes from 192.168.0.150: icmp_seq=73 ttl=64 time=3274 ms
64 bytes from 192.168.0.150: icmp_seq=74 ttl=64 time=2265 ms
64 bytes from 192.168.0.150: icmp_seq=75 ttl=64 time=1241 ms
64 bytes from 192.168.0.150: icmp_seq=76 ttl=64 time=217 ms
64 bytes from 192.168.0.150: icmp_seq=77 ttl=64 time=2825 ms
64 bytes from 192.168.0.150: icmp_seq=78 ttl=64 time=1813 ms
64 bytes from 192.168.0.150: icmp_seq=79 ttl=64 time=789 ms
64 bytes from 192.168.0.150: icmp_seq=80 ttl=64 time=1670 ms
64 bytes from 192.168.0.150: icmp_seq=81 ttl=64 time=654 ms
64 bytes from 192.168.0.150: icmp_seq=82 ttl=64 time=1113 ms
64 bytes from 192.168.0.150: icmp_seq=83 ttl=64 time=94.2 ms
64 bytes from 192.168.0.150: icmp_seq=84 ttl=64 time=9487 ms
64 bytes from 192.168.0.150: icmp_seq=85 ttl=64 time=8478 ms
64 bytes from 192.168.0.150: icmp_seq=86 ttl=64 time=7455 ms
64 bytes from 192.168.0.150: icmp_seq=87 ttl=64 time=6432 ms
64 bytes from 192.168.0.150: icmp_seq=88 ttl=64 time=5408 ms
64 bytes from 192.168.0.150: icmp_seq=89 ttl=64 time=4385 ms
64 bytes from 192.168.0.150: icmp_seq=90 ttl=64 time=3361 ms
64 bytes from 192.168.0.150: icmp_seq=91 ttl=64 time=2338 ms
64 bytes from 192.168.0.150: icmp_seq=92 ttl=64 time=1314 ms
64 bytes from 192.168.0.150: icmp_seq=93 ttl=64 time=291 ms
64 bytes from 192.168.0.150: icmp_seq=94 ttl=64 time=8176 ms
64 bytes from 192.168.0.150: icmp_seq=95 ttl=64 time=7160 ms
64 bytes from 192.168.0.150: icmp_seq=96 ttl=64 time=6137 ms
64 bytes from 192.168.0.150: icmp_seq=97 ttl=64 time=5110 ms
64 bytes from 192.168.0.150: icmp_seq=98 ttl=64 time=4091 ms
64 bytes from 192.168.0.150: icmp_seq=99 ttl=64 time=3067 ms
64 bytes from 192.168.0.150: icmp_seq=100 ttl=64 time=2039 ms
64 bytes from 192.168.0.150: icmp_seq=101 ttl=64 time=1021 ms