[ 4374.243186][T28720] gre: GRE over IPv4 demultiplexer driver
[ 4376.034831][T28743] ip_gre: GRE over IPv4 tunneling driver
[ 4426.344815][T29315] ip6_gre: GRE over IPv6 tunneling driver
[ 4461.280386][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4466.272312][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4470.496304][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4475.488299][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!