[ 1620.656933][T30619] gre: GRE over IPv4 demultiplexer driver
[ 1621.155206][T30643] ip_gre: GRE over IPv4 tunneling driver
[ 1637.929068][T31215] ip6_gre: GRE over IPv6 tunneling driver
[ 1648.964219][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1651.077172][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1652.996198][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1655.109171][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!