[ 4319.682871][T20450] gre: GRE over IPv4 demultiplexor driver
[ 4321.939131][T20473] ip_gre: GRE over IPv4 tunneling driver
[ 4385.384057][T21054] ip6_gre: GRE over IPv6 tunneling driver
[ 4432.068659][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4438.147600][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4443.460588][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4449.988610][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!