[ 4392.405861][T29668] gre: GRE over IPv4 demultiplexer driver
[ 4394.066858][T29691] ip_gre: GRE over IPv4 tunneling driver
[ 4443.844394][T30263] ip6_gre: GRE over IPv6 tunneling driver
[ 4479.253462][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4484.693400][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4489.494380][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4494.998371][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!