[ 1521.507674][T19707] gre: GRE over IPv4 demultiplexer driver
[ 1521.975295][T19730] ip_gre: GRE over IPv4 tunneling driver
[ 1537.646992][T20301] ip6_gre: GRE over IPv6 tunneling driver
[ 1548.091817][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1550.139791][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1551.996783][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1554.043792][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!