[ 3692.018314][T25857] gre: GRE over IPv4 demultiplexor driver
[ 3694.035379][T25880] ip_gre: GRE over IPv4 tunneling driver
[ 3755.009405][T26454] ip6_gre: GRE over IPv6 tunneling driver
[ 3797.424346][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3803.376313][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3808.432328][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3814.448271][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!