[SOLVED] AQUANTIA 10GbE LAN AQC107 stopped working on 7.2

unruly1

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Dec 11, 2021
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GIGABYTE Z590 AORUS Master AQUANTIA 10GbE LAN AQC107 stopped working on 7.2

I am in the process of getting a cloud gaming server up and running.
Initially I was running 7.2 and was working fine for a day or two and then stops working.

I found several resources that referenced 7.1 so I ended up switching to that and networking worked for several days while I continued to fumble through the cloud gaming server. Found a recent set of instructions that used 7.2 so I installed that and it worked great yesterday, got it all up and running, gaming, working great and today after a reboot, no network.
no lights, switched ethernet cable, tried different ports on the switch, etc.
 
I.) Output of ip a:
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: enp6s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq master vmbr0 state UP group default qlen 1000 link/ether d8:5e:d3:5d:fa:e4 brd ff:ff:ff:ff:ff:ff 3: wlp7s0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 7c:50:79:08:78:d4 brd ff:ff:ff:ff:ff:ff 4: vmbr0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000 link/ether d8:5d:e3:ed:fa:e4 brd ff:ff:ff:ff:ff:ff inet 192.168.1.135/24 scope global vmbr0 valid_lft forever preferred_lft forever inet6 fe8d::dade:d3fd:fe5d:faf4/64 scope link valid_lft forever preferred_lft forever

Output of cat /etc/network/interfaces (I xxx'd part of the IP addresses):
auto lo iface lo inet loopback iface enp5s0 inet manual auto vmbr0 iface vmbr0 inet static address 192.168.1.135/24 gateway 192.168.1.1 bridge-ports enp5s0 bridge-stp off bridge-fd 0

changed enp5s0 to enp6s0 and everything worked.
new /etc/network/interfaces below
auto lo iface lo inet loopback iface enp6s0 inet manual auto vmbr0 iface vmbr0 inet static address 192.168.1.135/24 gateway 192.168.1.1 bridge-ports enp6s0 bridge-stp off bridge-fd 0