[ 4317.728266][T20409] gre: GRE over IPv4 demultiplexor driver
[ 4319.841599][T20433] ip_gre: GRE over IPv4 tunneling driver
[ 4381.955308][T21007] ip6_gre: GRE over IPv6 tunneling driver
[ 4423.840770][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4429.793781][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4434.849692][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4440.736722][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!