Updated these vars before they are deprecated by ContainerLab.
WARN[0000] Attribute "ipv4_subnet" is deprecated and will be removed in the future. Change it to "ipv4-subnet"
WARN[0000] Attribute "mgmt_ipv4" is deprecated and will be removed in future. Change it to "mgmt-ipv4"
Updated these vars before they are deprecated by ContainerLab.
WARN[0000] Attribute "ipv4_subnet" is deprecated and will be removed in the future. Change it to "ipv4-subnet" WARN[0000] Attribute "mgmt_ipv4" is deprecated and will be removed in future. Change it to "mgmt-ipv4"