Set the family from the conntrack object, otherwise, if -f is not specified and the kernel bails out with: # conntrack -U -p tcp -m 1 Operation failed: Not supported conntrack v1.4.7 (conntrack-tools): Operation failed: Not supported Reported-by: Tony He <huangya90@xxxxxxxxx> Fixes: b7a396b70015 ("conntrack: use libmnl for updating conntrack table") Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> --- src/conntrack.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/src/conntrack.c b/src/conntrack.c index bf727391bcf6..69a8fde6b5ee 100644 --- a/src/conntrack.c +++ b/src/conntrack.c @@ -2184,14 +2184,16 @@ static int mnl_nfct_update_cb(const struct nlmsghdr *nlh, void *data) if (nfct_cmp(tmp, ct, NFCT_CMP_ALL | NFCT_CMP_MASK)) goto destroy_ok; - res = nfct_mnl_request(modifier_sock, NFNL_SUBSYS_CTNETLINK, cmd->family, + res = nfct_mnl_request(modifier_sock, NFNL_SUBSYS_CTNETLINK, + nfct_get_attr_u8(ct, ATTR_ORIG_L3PROTO), IPCTNL_MSG_CT_NEW, NLM_F_ACK, NULL, tmp, NULL); if (res < 0) { fprintf(stderr, "Operation failed: %s\n", err2str(errno, CT_UPDATE)); } - res = nfct_mnl_request(modifier_sock, NFNL_SUBSYS_CTNETLINK, cmd->family, + res = nfct_mnl_request(modifier_sock, NFNL_SUBSYS_CTNETLINK, + nfct_get_attr_u8(ct, ATTR_ORIG_L3PROTO), IPCTNL_MSG_CT_GET, NLM_F_ACK, mnl_nfct_print_cb, tmp, NULL); if (res < 0) { -- 2.30.2