[ 4314.043301][T20457] gre: GRE over IPv4 demultiplexor driver
[ 4316.351766][T20488] ip_gre: GRE over IPv4 tunneling driver
[ 4377.432494][T21062] ip6_gre: GRE over IPv6 tunneling driver
[ 4420.370472][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4426.130371][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4431.123368][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4437.138384][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!