[ 1501.976487][ T2377] gre: GRE over IPv4 demultiplexer driver
[ 1502.411842][ T2400] ip_gre: GRE over IPv4 tunneling driver
[ 1517.929743][ T2972] ip6_gre: GRE over IPv6 tunneling driver
[ 1519.535543][ T1181] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1528.264360][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1530.248362][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1532.103356][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1534.088363][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!