[ 4328.276923][T29248] gre: GRE over IPv4 demultiplexer driver
[ 4329.900812][T29271] ip_gre: GRE over IPv4 tunneling driver
[ 4378.688920][T29842] ip6_gre: GRE over IPv6 tunneling driver
[ 4411.995891][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4416.988782][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4421.211796][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4426.076792][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!