[ 4419.048852][T29657] gre: GRE over IPv4 demultiplexer driver
[ 4421.485422][T29681] ip_gre: GRE over IPv4 tunneling driver
[ 4472.815412][T30252] ip6_gre: GRE over IPv6 tunneling driver
[ 4510.613048][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4516.884420][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4521.685356][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4527.893310][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!