[ 4422.560253][T22998] gre: GRE over IPv4 demultiplexer driver
[ 4424.187682][T23021] ip_gre: GRE over IPv4 tunneling driver
[ 4475.253505][T23601] ip6_gre: GRE over IPv6 tunneling driver
[ 4509.468192][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4514.460124][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4518.812140][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4523.868157][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!