[ 3389.157329][ T1538] gre: GRE over IPv4 demultiplexor driver
[ 3390.264492][ T1561] ip_gre: GRE over IPv4 tunneling driver
[ 3425.681962][ T2140] ip6_gre: GRE over IPv6 tunneling driver
[ 3449.884588][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3453.531518][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3456.731529][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3460.380517][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!