[ 2559.492641][T17623] gre: GRE over IPv4 demultiplexor driver
[ 2561.580121][T17646] ip_gre: GRE over IPv4 tunneling driver
[ 2621.998746][T18217] ip6_gre: GRE over IPv6 tunneling driver
[ 2664.232965][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2670.248846][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2675.303887][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2681.192849][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!