[Python] How to send a raw TCP packet over IPv6 using Scapy?

I am trying to send a raw tcp packet over Ipv6 using Scapy. But I always get the warning: No route found for IPv6 destination (ipv6 address) (no default route?)

I am deploying in Kali Linux.

My current code:

localPort = 24
port = 300
size = 30
localIpv6 = #my local ipv6 address with the interface (%eth0)
dstIpv6 = #ipv6 address of the target device

ip = IPv6(src=localIpv6 , dst = dstIpv6)
tcp = TCP(sport = localPort, dport = port, flags = "S")
raw = Raw(b"x" * size)
packet = ip / tcp / raw

send(packet, iface="eth0", verbose = True)


I also tried send without the iface and the localIpv6 without the interface.

I run the script with sudo and the ping to the target device is working. I expecting to see a packet in Wireshark.

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