Ubuntu Broken Network

1~ Original

source /etc/network/interfaces.d/*

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto enp1s0f0
iface enp1s0f0 inet static
	address 172.29.88.51
	netmask 255.255.255.192
	network 172.29.88.0
	broadcast 172.29.88.63
	gateway 172.29.88.5
	dns-nameservers 172.29.100.40 172.29.100.41

2~ New

source /etc/network/interfaces.d/*

# The loopback network interface
auto lo
iface lo inet loopback

auto enp1s0f0
iface enp1s0f0 inet manual

auto bridge0
iface bridge0 inet static
  address 172.29.88.51
  bridge_fd 0
  bridge_ports enp1s0f0
  bridge_stp off
  bridge_waitport 0
  dns-nameservers 172.29.100.40 172.29.100.41
  gateway 172.29.88.5
  netmask 255.255.255.192