Hi Ilya, Dumitru, for some reason I’ve found your answer only today.
From the link you’ve sent I see there is a patch in kernel OVS code, but current OVS master still has old version (if (err == NF_ACCEPT && ct->status & IPS_SRC_NAT && ct->status & IPS_DST_NAT)). Shouldn’t this fix be backported to OVS tree as well? Can it solve my initial problem? Just in case, the error is next: 2021-09-03T14:41:42.960Z|00006|dpif(handler3)|WARN|system@ovs-system: execute ct(commit,zone=1,label=0/0x1),set(tunnel(tun_id=0x1400160000f4,dst=<IP>,ttl=64,tp_dst=7471,flags(df|csum|key))),1 failed (Invalid argument) on packet tcp,vlan_tci=0x0000,dl_src=<MAC1>,dl_dst=<MAC2>,nw_src=<IP1>,nw_dst=<IP2>,nw_tos=0,nw_ecn=0,nw_ttl=63,tp_src=54136,tp_dst=5432,tcp_flags=psh|ack tcp_csum:206a with metadata skb_priority(0),skb_mark(0),ct_state(0x21),ct_zone(0x1),ct_tuple4(src=<IP1>,dst=<IP2>,proto=6,tp_src=54136,tp_dst=5432),in_port(4) mtu 0 Thanks. Regards, Vladislav Odintsov
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