流浪汉：以下SSH命令以非零退出状态响应

Question

我正在使用Ubuntu 16.04 lts，在安装了vagrant和一些技巧之后，我就运行了：

  

无所事事

我有一个错误：

    The following SSH command responded with a non-zero exit status.
Vagrant assumes that this means the command failed!
/sbin/ifdown 'eth1' || true
/sbin/ip addr flush dev 'eth1'
# Remove any previous network modifications from the interfaces file
sed -e '/^#VAGRANT-BEGIN/,$ d' /etc/network/interfaces > /tmp/vagrant-network-interfaces.pre
sed -ne '/^#VAGRANT-END/,$ p' /etc/network/interfaces | tac | sed -e '/^#VAGRANT-END/,$ d' | tac > /tmp/vagrant-network-interfaces.post

cat \
  /tmp/vagrant-network-interfaces.pre \
  /tmp/vagrant-network-entry \
  /tmp/vagrant-network-interfaces.post \
  > /etc/network/interfaces

rm -f /tmp/vagrant-network-interfaces.pre
rm -f /tmp/vagrant-network-entry
rm -f /tmp/vagrant-network-interfaces.post

/sbin/ifup 'eth1'

Stdout from the command:

Stderr from the command:

bash: line 5: /sbin/ifdown: No such file or directory
bash: line 21: /sbin/ifup: No such file or directory