allow-hotplug eth0
iface eth0 inet static
address 172.20.x.x
netmask 255.255.255.0
up ip route add 172.20.70.0/24 via 172.20.71.y dev eth0
up ip route add ...
apt install sysfsutils
systool -c fc_host -v | grep port_state
port_state = "Online"
port_state = "Online"
systool -c fc_host -v | grep port_name
port_name = "0x21000024ff3c00c2"
port_name = "0x21000024ff3c00c3"