[ 3176.480511][T23667] gre: GRE over IPv4 demultiplexer driver
[ 3178.024072][T23690] ip_gre: GRE over IPv4 tunneling driver
[ 3226.213805][T24268] ip6_gre: GRE over IPv6 tunneling driver
[ 3243.199907][T18514] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3259.646782][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3264.446806][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3268.543771][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3273.406783][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!