[ 4332.457817][T21521] gre: GRE over IPv4 demultiplexor driver
[ 4334.645578][T21544] ip_gre: GRE over IPv4 tunneling driver
[ 4396.846079][T22117] ip6_gre: GRE over IPv6 tunneling driver
[ 4439.152442][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4445.104312][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4450.160316][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4455.920376][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!