What cause of network issue?

Today we got a problem with public network resources on one of our droplet. Or, exactly this is a network problem at all. (droplet region is NYC1)

All services work stable inside: they are working and accessible from the localhost. Nothing changed from the last weekend: local droplet’s routing, firewall rules are the same.

The main problem, that network interface can’t up.

RTNETLINK answers: File exists
Failed to bring up eth0. ```


cat /etc/udev/rules.d/70-persistent-net.rules SYSBSYSTEM==“net”, ACTION==“add”, DRIVERS=“?*”, ATTR{ADDRESS}=‘<censored>’, NAME=“eth0”


ip link

  1. lo: …
  2. eth0: … state DOWN


ip route default via <censored> dev eth0 onlink linkdown dev eth0 proto kernel scope link src

Interfaces config:

cat /etc/network/interfaces.d/50-cloud-init.cfg auto lo iface lo inet loopback dns-nameservers

auto eth0 iface eth0 inet static address <censored> gateway <censored> netmask

iface eth0 inet static address netmask

Can it be caused of this problem: ?

Thanks for the answer.

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