[ 1576.863489][ T1874] gre: GRE over IPv4 demultiplexer driver
[ 1577.297895][ T1897] ip_gre: GRE over IPv4 tunneling driver
[ 1592.874117][ T2469] ip6_gre: GRE over IPv6 tunneling driver
[ 1603.124953][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1605.108914][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1606.964914][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1608.948921][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!