[ 4347.978575][T20197] gre: GRE over IPv4 demultiplexor driver
[ 4350.020923][T20221] ip_gre: GRE over IPv4 tunneling driver
[ 4410.758068][T20794] ip6_gre: GRE over IPv6 tunneling driver
[ 4453.686935][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4459.830842][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4464.821865][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4470.773863][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!