[ 1506.793862][  T763] gre: GRE over IPv4 demultiplexer driver
[ 1507.210088][  T786] ip_gre: GRE over IPv4 tunneling driver
[ 1522.472183][ T1357] ip6_gre: GRE over IPv6 tunneling driver
[ 1532.589584][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1534.574547][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1536.365538][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1538.349570][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!