[ 2613.008945][T19281] gre: GRE over IPv4 demultiplexor driver
[ 2614.816611][T19304] ip_gre: GRE over IPv4 tunneling driver
[ 2668.524671][T19875] ip6_gre: GRE over IPv6 tunneling driver
[ 2706.743827][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2712.248735][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2716.919724][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2722.295721][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!