[ 4335.604478][T28752] gre: GRE over IPv4 demultiplexer driver
[ 4337.264229][T28775] ip_gre: GRE over IPv4 tunneling driver
[ 4387.508440][T29347] ip6_gre: GRE over IPv6 tunneling driver
[ 4421.976123][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4427.031997][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4431.383996][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4436.695977][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!