[ 4376.970495][T28709] gre: GRE over IPv4 demultiplexer driver
[ 4378.634161][T28732] ip_gre: GRE over IPv4 tunneling driver
[ 4429.331281][T29303] ip6_gre: GRE over IPv6 tunneling driver
[ 4465.627818][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4470.747734][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4475.099749][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4480.283708][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!