[ 4300.008834][T20289] gre: GRE over IPv4 demultiplexor driver
[ 4301.998772][T20313] ip_gre: GRE over IPv4 tunneling driver
[ 4361.767809][T20886] ip6_gre: GRE over IPv6 tunneling driver
[ 4403.311602][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4409.135226][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4413.999234][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4419.759305][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!