[ 4154.818681][T28768] gre: GRE over IPv4 demultiplexer driver
[ 4156.496227][T28791] ip_gre: GRE over IPv4 tunneling driver
[ 4206.559389][T29366] ip6_gre: GRE over IPv6 tunneling driver
[ 4240.195073][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4245.057971][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4249.282953][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4254.145967][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!