apt: upgrade = safe remove eth0

Question

Eu tenho um playbook ansible com as seguintes tarefas

- name: Get aptitude for upgrade
  apt: pkg=aptitude state=present

- name: Update APT package cache
  apt: update_cache=yes cache_valid_time=3600

Quando eu adiciono

- name: Upgrade APT to the latest packages
  apt: upgrade=safe

a interface eth0 magicamente desaparece.

cat / etc / network / interfaces:

auto lo
iface lo inet loopback

auto etho0 
iface eth0 inet dhcp

ifconfig antes do apt: upgrade = safe:

eth0      Link encap:Ethernet  HWaddr b8:27:eb:9e:16:fd  
          inet addr:192.168.1.161  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::ba27:ebff:fe9e:16fd/64 Scope:Link
          inet6 addr: 2002:5e4f:b23c:1234:ba27:ebff:fe9e:16fd/64 Scope:Global
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:95254 errors:0 dropped:0 overruns:0 frame:0
          TX packets:30815 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:136917073 (136.9 MB)  TX bytes:2880058 (2.8 MB)

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:160 errors:0 dropped:0 overruns:0 frame:0
          TX packets:160 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:11840 (11.8 KB)  TX bytes:11840 (11.8 KB)

e depois:

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:160 errors:0 dropped:0 overruns:0 frame:0
          TX packets:160 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:11840 (11.8 KB)  TX bytes:11840 (11.8 KB)

Estou executando um novo servidor Ubuntu 16.04 LTS. Alguma idéia porque eth0 desaparece? Obviamente apt: upgrade = safe é o problema, mas por quê?

ifconfig -a surpreendentemente dá uma saída diferente, no entanto eth0 ainda está faltando:

    

Answer 1

Depois de instalar o network-manager, o problema desapareceu

- name: Get network-manager
  apt: state=installed pkg=network-manager