[ 4323.401837][T20173] gre: GRE over IPv4 demultiplexor driver
[ 4325.420705][T20196] ip_gre: GRE over IPv4 tunneling driver
[ 4389.050695][T20772] ip6_gre: GRE over IPv6 tunneling driver
[ 4431.910068][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4437.797978][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4442.981977][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4449.189970][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!