[ 4340.664160][T20268] gre: GRE over IPv4 demultiplexor driver
[ 4342.930737][T20291] ip_gre: GRE over IPv4 tunneling driver
[ 4408.124099][T20877] ip6_gre: GRE over IPv6 tunneling driver
[ 4455.016501][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4461.032367][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4466.024352][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4472.105358][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!