[ 4327.143741][T21436] gre: GRE over IPv4 demultiplexor driver
[ 4329.228310][T21460] ip_gre: GRE over IPv4 tunneling driver
[ 4392.078648][T22033] ip6_gre: GRE over IPv6 tunneling driver
[ 4435.126289][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4441.014211][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4446.134237][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4452.149239][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!