I tried same scenario but haven't got any error like this. However, I'm
working on the latest version...

Could you send the content of the vds_interface table ? even off-list so
I can try to debug it on my system ?

Be sure to read my other post before running with this as it may be a dead end, but here is the dump from last night's backup (just the one row):

-- Name: vds_interface; Type: TABLE; Schema: public; Owner: engine; Tablespace:

CREATE TABLE vds_interface (

id uuid NOT NULL,

name character varying(50) NOT NULL,

network_name character varying(50),

vds_id uuid,

mac_addr character varying(20),

is_bond boolean DEFAULT false,

bond_name character varying(50),

bond_type integer,

bond_opts character varying(4000),

vlan_id integer,

speed integer,

addr character varying(20),

subnet character varying(20),

gateway character varying(20),

boot_protocol integer,

type integer DEFAULT 0,

_create_date timestamp with time zone DEFAULT ('now'::text)::timestamp without time zone,

_update_date timestamp with time zone,

mtu integer,

bridged boolean DEFAULT true NOT NULL

);

INSERT INTO vds_interface(addr, bond_name, bond_type, gateway, id, is_bond, bond_opts, mac_addr, name, network_name, speed, subnet, boot_protocol, type, VDS_ID, vlan_id, mtu, bridged)

VALUES(v_addr, v_bond_name, v_bond_type, v_gateway, v_id, v_is_bond, v_bond_opts, v_mac_addr, v_name, v_network_name, v_speed, v_subnet, v_boot_protocol, v_type, v_vds_id, v_vlan_id, v_mtu, v_bridged);

END; $$;