On 2015-04-23 15:00, Nicolas Costes wrote: > > However, using "tcpdump -vv" shows [bad udp cksum 0xebe8 -> 0xc5f6!]. > Don't > know if relevant. Does it help if you disable hardware checksum offloading to nics? ---- This mail was virus scanned and spam checked before delivery. This mail is also DKIM signed. See header dkim-signature.