[ 4379.489877][T28401] gre: GRE over IPv4 demultiplexer driver
[ 4381.063359][T28424] ip_gre: GRE over IPv4 tunneling driver
[ 4429.133934][T29002] ip6_gre: GRE over IPv6 tunneling driver
[ 4462.590620][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4467.517532][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4471.678503][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4476.733537][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!