diff --git a/src/openvpn/dco_linux.c b/src/openvpn/dco_linux.c
index a5f9e06c..3f7965e6 100644
--- a/src/openvpn/dco_linux.c
+++ b/src/openvpn/dco_linux.c
@@ -908,12 +908,26 @@ dco_do_read(dco_context_t *dco)
     return ovpn_nl_recvmsgs(dco, __func__);
 }
 
+/* libnl < 3.11.0 does not implement nla_get_uint() */
+static uint64_t
+ovpn_nla_get_uint(struct nlattr *attr)
+{
+    if (nla_len(attr) == sizeof(uint32_t))
+    {
+        return nla_get_u32(attr);
+    }
+    else
+    {
+        return nla_get_u64(attr);
+    }
+}
+
 static void
 dco_update_peer_stat(struct context_2 *c2, struct nlattr *tb[], uint32_t id)
 {
     if (tb[OVPN_A_PEER_LINK_RX_BYTES])
     {
-        c2->dco_read_bytes = nla_get_u64(tb[OVPN_A_PEER_LINK_RX_BYTES]);
+        c2->dco_read_bytes = ovpn_nla_get_uint(tb[OVPN_A_PEER_LINK_RX_BYTES]);
         msg(D_DCO_DEBUG, "%s / dco_read_bytes: " counter_format, __func__,
             c2->dco_read_bytes);
     }
@@ -925,7 +939,7 @@ dco_update_peer_stat(struct context_2 *c2, struct nlattr *tb[], uint32_t id)
 
     if (tb[OVPN_A_PEER_LINK_TX_BYTES])
     {
-        c2->dco_write_bytes = nla_get_u64(tb[OVPN_A_PEER_LINK_TX_BYTES]);
+        c2->dco_write_bytes = ovpn_nla_get_uint(tb[OVPN_A_PEER_LINK_TX_BYTES]);
         msg(D_DCO_DEBUG, "%s / dco_write_bytes: " counter_format, __func__,
             c2->dco_write_bytes);
     }
@@ -937,7 +951,7 @@ dco_update_peer_stat(struct context_2 *c2, struct nlattr *tb[], uint32_t id)
 
     if (tb[OVPN_A_PEER_VPN_RX_BYTES])
     {
-        c2->tun_read_bytes = nla_get_u64(tb[OVPN_A_PEER_VPN_RX_BYTES]);
+        c2->tun_read_bytes = ovpn_nla_get_uint(tb[OVPN_A_PEER_VPN_RX_BYTES]);
         msg(D_DCO_DEBUG, "%s / tun_read_bytes: " counter_format, __func__,
             c2->tun_read_bytes);
     }
@@ -949,7 +963,7 @@ dco_update_peer_stat(struct context_2 *c2, struct nlattr *tb[], uint32_t id)
 
     if (tb[OVPN_A_PEER_VPN_TX_BYTES])
     {
-        c2->tun_write_bytes = nla_get_u64(tb[OVPN_A_PEER_VPN_TX_BYTES]);
+        c2->tun_write_bytes = ovpn_nla_get_uint(tb[OVPN_A_PEER_VPN_TX_BYTES]);
         msg(D_DCO_DEBUG, "%s / tun_write_bytes: " counter_format, __func__,
             c2->tun_write_bytes);
     }
@@ -1028,12 +1042,12 @@ static int
 dco_parse_peer(struct nl_msg *msg, void *arg)
 {
     struct context *c = arg;
-    struct nlattr *tb[OVPN_A_MAX];
+    struct nlattr *tb[OVPN_A_MAX + 1];
     struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
 
     msg(D_DCO_DEBUG, "%s: parsing message...", __func__);
 
-    nla_parse(tb, OVPN_A_PEER_MAX, genlmsg_attrdata(gnlh, 0),
+    nla_parse(tb, OVPN_A_MAX, genlmsg_attrdata(gnlh, 0),
               genlmsg_attrlen(gnlh, 0), NULL);
 
     if (!tb[OVPN_A_PEER])
@@ -1043,10 +1057,7 @@ dco_parse_peer(struct nl_msg *msg, void *arg)
     }
 
     struct nlattr *tb_peer[OVPN_A_PEER_MAX + 1];
-
-    nla_parse(tb_peer, OVPN_A_PEER,
-              nla_data(tb[OVPN_A_PEER]),
-              nla_len(tb[OVPN_A_PEER]), NULL);
+    nla_parse_nested(tb_peer, OVPN_A_PEER_MAX, tb[OVPN_A_PEER], NULL);
 
     if (!tb_peer[OVPN_A_PEER_ID])
     {